25TC680B-F_SDS.pdf

SAFETY DATA SHEET
Date Issued : 06/13/2011
SDS No : TC-680 PART A
Date Revised : 06/14/2021
Revision No : 3
TC-680 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-680 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 3
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Reproductive Toxicity, Category 1
Target Organ Toxicity (Repeated exposure), Category 2
Environmental:
Chronic Hazards to the Aquatic Environment, Category 3
Physical:
Flammable Liquids, Category 4
GHS LABEL
Skull and
crossbones
Health hazard
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H227: Combustible liquid.
H331: Toxic if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H360: May damage fertility or the unborn child.
H373: May cause damage to organs through prolonged or repeated exposure.
H412: Harmful to aquatic life with long lasting effects.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
Page 1 of 7

P202: Do not handle until all safety precautions have been read and understood.
P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P261: Avoid breathing dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P273: Avoid release to the environment.
Response:
P370+P378: In case of fire: Use water spray, carbon dioxide, dry chemical, or foam for extinction.
P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P311: Call a POISON CENTER/doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Cycloaliphatic diisocyanate prepolymer 60 – 100Proprietary
Dicyclohexylmethane-4,4′-diisocyanate 15 – 205124-30-1
Butyl benzyl phthalate (BBP) 1 – 5 85-68-7
Toluene 0.5 – 1.5108-88-3
Phenyl mercury neodecanoate 0.00926545-49-3
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get
medical advice/attention.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or
oxygen by trained personnel. Get immediate medical attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored
for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, and isocyanate-containing vapors.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
Page 2 of 7
TC-680 PART A

FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE)
as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain
spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or
vermiculite) and transfer to a container for disposal according to local/national regulations.
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains, surface waters, or groundwater.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Keep away from sources of ignition. Avoid contact with eyes, skin and clothing. Use only with adequate ventilation.
Avoid breathing vapor over open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use in a well ventilated area. Avoid heat, sparks, and open flames. Avoid breathing vapor and contact with eyes, skin, and clothing.
Use appropriate personal protective equipment as specified in Section 8. Handle and use in a manner consistent with good
industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat in the original or similar container. Avoid sources of ignition and
incompatible materials. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. Avoid
unnecessary contact.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Page 3 of 7
TC-680 PART A

EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
Chemical Name Type ppm mg/m
3
Dicyclohexylmethane-4,4′-diisocyanate
OSHA PEL
TWA – –
STEL – –
C 0.01
[1]
011
[1]
ACGIH TLV
TWA 0.005 –
STEL – –
NIOSH REL
TWA – –
STEL – –
C 0.01 0.11
Toluene
OSHA PEL
TWA 200 –
STEL – –
C 300 –
ACGIH TLV
TWA – –
STEL – –
NIOSH REL
TWA 100 375
STEL 150 560
Phenyl mercury neodecanoate
OSHA PEL
TWA – –
STEL – –
ACGIH TLV
TWA –
[1]
0.1 as Hg
[1]
STEL – –
NIOSH REL
TWA – –
STEL – –
Footnotes:
1. Skin
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below
recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently
when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with “Guidelines for the Selection of Chemical
Protective Clothing” published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
Page 4 of 7
TC-680 PART A

9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Viscous liquid
ODOR: Slight
COLOR: Colorless
pH: No data available
PERCENT VOLATILE: 1.49
FLASH POINT AND METHOD: 77.8 C (172 F) Pensky-Martens CC
VAPOR PRESSURE: No data available
VAPOR DENSITY: No data available
BOILING POINT: No data available
SOLUBILITY IN WATER: Reacts slowly with water
SPECIFIC GRAVITY: 1.06 (water=1) at 25 C (77 F)
VISCOSITY #1: 6000 Centipoise at 25 C (77 F)
(VOC): < 15.8 g/l Calculated. Theoretical VOC minus water and exempt solvents. 10. STABILITY AND REACTIVITY REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions. STABILITY: This product is stable under normal ambient conditions of temperature and pressure. CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions. POSSIBILITY OF HAZARDOUS REACTIONS: Reacts violently with amines (exothermic). Exothermic reactions with acids, alkalis, powerful oxidants, and alcohols. Reacts with water, whereby carbon dioxide is produced; pressure may build up in closed containers (danger of bursting). HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, and isocyanate-containing vapors. INCOMPATIBLE MATERIALS: Water, strong bases, strong acids, strong oxidizing agents, alcohols, and amines. 11. TOXICOLOGICAL INFORMATION ACUTE TOXICITY Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50 Cycloaliphatic diisocyanate prepolymer No data available No data available No data available Dicyclohexylmethane-4,4'-diisocyanate 18200 mg/kg Rat > 7000 mg/kg Rat 0.33 mg/l Rat (4 h, dust/mist)
Butyl benzyl phthalate (BBP) 2330 mg/kg Rat > 5000 mg/kg Rabbit No data available
Toluene > 5580 mg/kg Rat 12124 mg/kg Rabbit 25.7 mg/l Rat (4 h)
Phenyl mercury neodecanoate 25 to 200 mg/kg Rat No data available No data available
SKIN CORROSION/IRRITATION: Causes skin irritation.
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: May cause sensitization by inhalation and skin contact.
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name IARC Status
Butyl benzyl phthalate (BBP) 3
Toluene 3
REPRODUCTIVE TOXICITY: May damage fertility or the unborn child.
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
Page 5 of 7
TC-680 PART A

12. ECOLOGICAL INFORMATION
ECOTOXICOLOGICAL INFORMATION: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Avoid release to the environment.
CHEMICAL FATE INFORMATION: No data available
BIOACCUMULATION/ACCUMULATION: No data available
ENVIRONMENTAL DATA: This product may cause risk of hazardous effects to the environment.
DISTRIBUTION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard, Chronic Health Hazard
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section 313
of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
Dicyclohexylmethane-4,4′-diisocyanate15 – 205124-30-1Diisocyanate Compounds (Category Code N120)
Toluene 0.5 – 1.5108-88-3
Phenyl mercury neodecanoate 0.00926545-49-3Mercury Compounds (Category Code N458)
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Butyl benzyl phthalate (BBP) 1 – 5 100 lbs.
Toluene 0.5 – 1.5 1,000 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification.
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119—PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this
product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are]
known to the State of California to cause birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
Page 6 of 7
TC-680 PART A

Chemical Name Wt.% Listed
Butyl benzyl phthalate (BBP) 1 – 5 Developmental Toxicity
Toluene 0.5 – 1.5Developmental Toxicity
Phenyl mercury neodecanoate 0.009 Developmental Toxicity
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the SDS contains all the information required by the CPR.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances
List (DSL) or the Non-Domestic Substances List (NDSL).
GENERAL COMMENTS:
BBP RESTRICTIONS: This product contains butyl benzyl phthalate (BBP), CAS# 85-68-7 EINECS# 201-622-7. In the U.S., there is a
Prohibition on the Sale of Certain Products Containing Phthalates. Children’s toys or child care articles shall not contain above 0.1 percent by
weight (one thousand parts per million) of BBP [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In the EU, BBP shall not be used
as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one thousand parts per million) of the
plasticized material, in toys and child care articles. Such toys and childcare articles containing BBP in concentrations greater than the limit
mentioned above shall not be placed on the market [Directive 2005/84/EC].
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
Date Revised: 06/14/2021
REVISION SUMMARY: This SDS replaces the 06/12/2018 SDS.
HMIS RATING
HEALTH * 3
FLAMMABILITY 2
PHYSICAL HAZARD 1
PERSONAL PROTECTION X
NFPA CODES

2
3 1

HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes
no legal responsibility for use or reliance upon this data.
Page 7 of 7
TC-680 PART A

SAFETY DATA SHEET
Date Issued : 06/13/2011
SDS No : TC-680 PART B
Date Revised : 06/14/2021
Revision No : 3
TC-680 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-680 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Eye Irritation, Category 2A
Skin Sensitization, Category 1
Reproductive Toxicity, Category 1
Target Organ Toxicity (Repeated exposure), Category 2
Environmental:
Acute Hazards to the Aquatic Environment, Category 1
Chronic Hazards to the Aquatic Environment, Category 1
GHS LABEL
Health hazard Exclamation
mark
Environment
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H319: Causes serious eye irritation.
H317: May cause an allergic skin reaction.
H360: May damage fertility or the unborn child.
H373: May cause damage to organs through prolonged or repeated exposure.
H410: Very toxic to aquatic life with long lasting effects.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P273: Avoid release to the environment.
Response:
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue
Page 1 of 6

rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P362+P364: Take off contaminated clothing and wash it before reuse.
P308+P313: IF exposed or concerned: Get medical advice/ attention.
P391: Collect spillage.
Storage:
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Butyl benzyl phthalate (BBP) 60 – 100 85-68-7
Diethylmethylbenzenediamine 10 – 3068479-98-1
2,6-di-tert-butyl-p-cresol < 0.1 128-37-0 4. FIRST AID MEASURES EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get medical advice/attention. SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash develops. Wash clothing before reuse. INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person. INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops. NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored for at least 48 hours. 5. FIRE FIGHTING MEASURES EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam. HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, and nitrogen oxides. FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff from fire control methods to sewers or waterways. FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned hose holders or monitor nozzles for fighting large fires. 6. ACCIDENTAL RELEASE MEASURES SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE) as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or vermiculite) and transfer to a container for disposal according to local/national regulations. ENVIRONMENTAL PRECAUTIONS WATER SPILL: Do not discharge into drains, surface waters, or groundwater. GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details. RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary. 7. HANDLING AND STORAGE Page 2 of 6 TC-680 PART B GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors. HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a manner consistent with good industrial/manufacturing techniques and practices. STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. STORAGE TEMPERATURE: 65-80 F (18-27 C) SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions. 8. EXPOSURE CONTROLS / PERSONAL PROTECTION EXPOSURE GUIDELINES OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200) EXPOSURE LIMITS Chemical Name Type ppm mg/m 3 2,6-di-tert-butyl-p-cresol NIOSH REL TWA - 10 ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. PERSONAL PROTECTIVE EQUIPMENT EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent. SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection. RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134). PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical Protective Clothing" published by ACGIH. WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate work area should be prohibited. Wash hands before eating. OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Training is important. Follow all label precautions. 9. PHYSICAL AND CHEMICAL PROPERTIES PHYSICAL STATE: Liquid ODOR: Slight amine COLOR: Amber pH: No data available PERCENT VOLATILE: 0.04 FLASH POINT AND METHOD: 157.2 C (315 F) Pensky-Martens CC VAPOR PRESSURE: No data available VAPOR DENSITY: No data available BOILING POINT: No data available SOLUBILITY IN WATER: Slightly soluble SPECIFIC GRAVITY: 1.09 (water=1) at 25 C (77 F) VISCOSITY #1: 60 Centipoise at 25 C (77 F) (VOC): < 0.5 g/l Calculated. Theoretical VOC minus water and exempt solvents. 10. STABILITY AND REACTIVITY Page 3 of 6 TC-680 PART B REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions. STABILITY: This product is stable under normal ambient conditions of temperature and pressure. CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions. POSSIBILITY OF HAZARDOUS REACTIONS: No data available HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, and nitrogen oxides. INCOMPATIBLE MATERIALS: Isocyanates, strong oxidizing agents, and strong acids. 11. TOXICOLOGICAL INFORMATION ACUTE TOXICITY Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50 Butyl benzyl phthalate (BBP) 2330 mg/kg Rat > 5000 mg/kg Rabbit No data available
Diethylmethylbenzenediamine > 500 mg/kg Rat > 2000 mg/kg Rat No data available
2,6-di-tert-butyl-p-cresol > 2900 mg/kg Rat > 2000 mg/kg Rat No data available
SKIN CORROSION/IRRITATION: No data available
SERIOUS EYE DAMAGE/IRRITATION: Causes serious eye irritation.
RESPIRATORY OR SKIN SENSITISATION: No data available
GERM CELL MUTAGENICITY: No data available
CARCINOGENICITY
Chemical Name IARC Status
Butyl benzyl phthalate (BBP) 3
2,6-di-tert-butyl-p-cresol 3
REPRODUCTIVE TOXICITY: May damage fertility or the unborn child.
STOT-SINGLE EXPOSURE: No data available
STOT-REPEATED EXPOSURE: May cause damage to organs through prolonged or repeated exposure.
ASPIRATION HAZARD: No data available
12. ECOLOGICAL INFORMATION
ECOTOXICOLOGICAL INFORMATION: Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Avoid release to the environment.
CHEMICAL FATE INFORMATION: No data available
BIOACCUMULATION/ACCUMULATION: No data available
ENVIRONMENTAL DATA: This product may cause risk of hazardous effects to the environment.
DISTRIBUTION: No data available
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some
product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed
waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of
environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and
runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION)
PROPER SHIPPING NAME: Environmentally hazardous substances, liquid, n.o.s. (See Note)
TECHNICAL NAME: (butyl benzyl phthalate)
PRIMARY HAZARD CLASS/DIVISION: 9
Page 4 of 6
TC-680 PART B

UN/NA NUMBER: UN3082
PACKING GROUP: III
NAERG: 171
REPORTABLE QUANTITY (RQ) UNDER CERCLA: 100 lbs. of butyl benzyl phthalate
LABEL: Class 9 (miscellaneous hazardous materials)
MARINE POLLUTANT #1: Yes
OTHER SHIPPING INFORMATION: Applies ONLY to containers with a RQ of butyl benzyl phthalate (100 lbs.), otherwise not regulated.
AIR (ICAO/IATA)
SHIPPING NAME: Environmentally hazardous substances, liquid, n.o.s. (See Note)
TECHNICAL NAME: (butyl benzyl phthalate)
UN/NA NUMBER: UN3082
PRIMARY HAZARD CLASS/DIVISION: 9
PACKING GROUP: III
ERG: 9L
LABEL: Class 9 (miscellaneous hazardous materials)
NOTE: Applies ONLY to containers with a RQ of butyl benzyl phthalate (100 lbs.), otherwise not regulated.
VESSEL (IMO/IMDG)
SHIPPING NAME: Environmentally hazardous substance, liquid, n.o.s.
TECHNICAL NAME: (butyl benzyl phthalate)
UN/NA NUMBER: UN3082
PRIMARY HAZARD CLASS/DIVISION: 9
PACKING GROUP: III
EmS: F-A,S-F
MARINE POLLUTANT #1: Yes
LABEL: Class 9 (miscellaneous hazardous materials)
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HEALTH HAZARDS: Acute Health Hazard, Chronic Health Hazard
313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of
Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372.
CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT)
CERCLA REGULATORY: This product contains one or more substances regulated as a hazardous substance under the Comprehensive
Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302).
Chemical Name Wt.% CERCLA RQ
Butyl benzyl phthalate (BBP) 60 – 100 100 lbs.
Benzene < 0.0001 10 lbs. TSCA (TOXIC SUBSTANCE CONTROL ACT) TSCA REGULATORY: This product contains Diethylmethylbenzenediamine (CAS No. 68479-98-1) which is subject to TSCA 12(b) export notification (40 CFR part 707, subpart D). TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements. OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA ) 29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this product are considered highly hazardous by OSHA. CALIFORNIA PROPOSITION 65: WARNING: This product can expose you to chemicals including [see table below], which is [are] Page 5 of 6 TC-680 PART B known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. Chemical Name Wt.% Listed Butyl benzyl phthalate (BBP) 60 - 100 Developmental Toxicity Benzene < 0.0001 Cancer Developmental Toxicity Male Reproductive OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200. CANADA WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the hazard criteria of the CPR and the SDS contains all the information required by the CPR. DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances List (DSL) or the Non-Domestic Substances List (NDSL). GENERAL COMMENTS: BBP RESTRICTIONS: This product contains butyl benzyl phthalate (BBP), CAS# 85-68-7 EINECS# 201-622-7. In the U.S., there is a Prohibition on the Sale of Certain Products Containing Phthalates. Children's toys or child care articles shall not contain above 0.1 percent by weight (one thousand parts per million) of BBP [H.R. 4040, The Consumer Safety Improvement Act of 2008]. In the EU, BBP shall not be used as substance or as constituents of preparations, at concentrations of greater than 0.1 percent by weight (one thousand parts per million) of the plasticized material, in toys and child care articles. Such toys and childcare articles containing BBP in concentrations greater than the limit mentioned above shall not be placed on the market [Directive 2005/84/EC]. 16. OTHER INFORMATION REASON FOR ISSUE: Revision Date Revised: 06/14/2021 REVISION SUMMARY: This SDS replaces the 06/12/2018 SDS. HMIS RATING HEALTH * 2 FLAMMABILITY 1 PHYSICAL HAZARD 0 PERSONAL PROTECTION X NFPA CODES 1 2 0 HMIS RATINGS NOTES: Personal Protection: See Section 8 MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes no legal responsibility for use or reliance upon this data. Page 6 of 6 TC-680 PART B

25TC5045-F_SDS.pdf

SAFETY DATA SHEET
Date Issued : 11/19/2008
SDS No : TC-5045 PART A
Date Revised : 05/29/2019
ENTERPRISES Revision No : 4
TC-5045 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-5045 PART A
GENERAL USE: Silicone rubber base
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc. CHEMTREC (USA & Canada): (800) 424-9300
14791 Franklin Avenue or (703) 527-3887 CCN# 2820
Tustin, CA 92780
Emergency Phone: (714) 734-8450
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
This product does not meet the criteria for classification.
GHS LABEL
Not Applicable
3. COMPOSITION / INFORMATION ON INGREDIENTS
faienuesinana fies iY | i
4, FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes.
Get medical advice/attention if irritation develops.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be
monitored for at least 48 hours.
5, FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Carbon dioxide, dry chemical, or alcohol-resistant foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, formaldehyde, and silicon oxides.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Eliminate all sources of ignition. Ensure adequate

25TC300_SDS.pdf

INDEX

25TC300
25TC300A-F
25TC300A-G
25TC300B-F
25TC300B-G
25TC3000C-F
25TC300C-G
25TC300BAF

SAFETY DATA SHEET
Date Issued : 5/29/2007
MSDS No : TC-300 PART A
Date-Revised : 1/13/2014
Revision No : 3
TC-300 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-300 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Customer Service Number: (714) 734-8450
Fax: (714) 734-8929

CHEMTREC (US Transportation): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category 1
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard
SIGNAL WORD: DANGER
HAZARD STATEMENTS
H332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer .
H335: May cause respiratory irritation.
H373: May cause damage to organs through prolonged or repeated exposure .
PRECAUTIONARY STATEMENT(S)
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
Page 1 of 7

P285: In case of inadequate ventilation wear respiratory protection.
P264: Wash thoroughly after handling.
P272: Contaminated work clothing should not be allowed out of the workplace.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
Response:
P304+P341: IF INHALED: If breathing is difficult, remove to fresh air and keep at rest in a position comfortable for breathing.
P342+P311: If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician.
P302+P352: IF ON SKIN: Wash with plenty of soap and water.
P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
P321: Specific treatment (see on this label).
P362: Take off contaminated clothing and wash before reuse.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
Continue rinsing.
P337+P313: If eye irritation persists: Get medical advice/attention.
P308+P313: IF exposed or concerned: Get medical advice/attention.
Storage:
P403+P233: Store in a well-ventilated place. Keep container tightly closed.
P405: Store locked up.
Disposal:
P501: Dispose of contents/container in accordance with local/regional/national/international regulations.
EMERGENCY OVERVIEW
PHYSICAL APPEARANCE AND ODOR: Brown liquid with a slight musty odor.
IMMEDIATE CONCERNS: Harmful by inhalation. Use in well ventilated areas. Irritating to eyes, skin, and respiratory system. May cause
sensitization by inhalation and skin contact. This product is a respiratory irritant and potential respiratory sensitizer. Repeated inhalation of
vapour or aerosol at levels above the occupational exposure limit could cause respiratory sensitization. A hyper-reactive response to even
minimal concentrations of diisocyanates may develop in sensitized persons. The onset of the respiratory symptoms may be delayed for
several hours after exposure.
Reacts slowly with water to produce carbon dioxide which may rupture closed containers. This reaction accelerates at higher temperatures.
Do not breathe vapor or mist. Do not get on skin or clothing. Avoid contact with eyes. Use only with adequate ventilation. Keep container
tightly closed and sealed until ready for use. Wash thoroughly after handling.
POTENTIAL HEALTH EFFECTS
EYES: Causes serious eye irritation.
SKIN: Causes skin irritation. May cause an allergic skin reaction.
INGESTION: Harmful if swallowed.
INHALATION: Harmful if inhaled. Inhalation at levels above the occupational exposure limit could cause respiratory sensitization and risk
of serious damage to the respiratory system.
MEDICAL CONDITIONS AGGRAVATED: Pre-existing eye, skin, and respiratory conditions may be aggravated by exposure.
ROUTES OF ENTRY: Eye and skin contact, inhalation of vapors, or accidental ingestion.
TARGET ORGANS: Contains material which causes damage to the following organs: upper respiratory tract.
SENSITIZATION: May cause allergic skin and respiratory reaction.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polymeric diphenylmethane diisocyanate 50 – 609016-87-9
4,4′-Diphenylmethane diisocyanate 40 – 50101-68-8
4. FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes.
Get immediate medical attention.
Page 2 of 7
TC-300 PART A

SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get immediate medical
attention.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be
monitored for at least 48 hours.
5. FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbons and HCN.
EXPLOSION HAZARDS: Material will react with water which produces carbon dioxide gas, a hazardous build-up of pressure could result if
contaminated containers are re-sealed. Containers may rupture if overheated.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.
6. ACCIDENTAL RELEASE MEASURES
SMALL SPILL: Evacuate the area. Clean-up should only be performed by trained personnel. People dealing with a major spill should wear
full protective clothing including appropriate respiratory protection. Prevent product spill from entering sewers or waterways. Neutralize
small spills with a decontaminant.
LARGE SPILL: Contain and absorb large spills onto an inert, non-flammable adsorbent carrier (such as earth or sand). Shovel into open-top
drums or plastic bags for further decontamination, if necessary. Wash the spill area clean with a liquid decontaminant. Remove and properly
dispose of residues. Notify applicable government authorities if release is reportable. (See CERCLA in Section 15).
ENVIRONMENTAL PRECAUTIONS
WATER SPILL: Do not discharge into drains or rivers.
GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details.
RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if
necessary.
7. HANDLING AND STORAGE
GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over
open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors.
HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well ventilated area. Handle and use in a
manner consistent with good industrial/manufacturing techniques and practices.
STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact.
Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials.
STORAGE TEMPERATURE: 65-80 F (18-27 C)
SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions.
8. EXPOSURE CONTROLS / PERSONAL PROTECTION
Page 3 of 7
TC-300 PART A

EXPOSURE GUIDELINES
OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200)
EXPOSURE LIMITS
OSHA PEL ACGIH TLV SupplierOEL
Chemical Name ppm mg/m
3
ppm mg/m
3
ppm mg/m
3
Polymeric diphenylmethane diisocyanate
TWA NE NE NE NE 0.005
[1]
0.05
[1]
STEL NE NE NE NE NE NE
4,4′-Diphenylmethane diisocyanate
TWA 0.02 0.2 0.005 0.05 0.005
[1]
0.05
[1]
STEL NE NE NE NE NE NE
OSHA TABLE COMMENTS:
1. NIOSH REL
ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels
below recommended exposure limits.
PERSONAL PROTECTIVE EQUIPMENT
EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect
against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent.
SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with
eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection.
RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be
necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used
concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134).
PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with ‘Guidelines for the Selection of Chemical
Protective Clothing’ published by ACGIH.
WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in
immediate work area should be prohibited. Wash hands before eating.
OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Training is important. Follow all label precautions.
9. PHYSICAL AND CHEMICAL PROPERTIES
PHYSICAL STATE: Liquid
ODOR: Slightly musty
COLOR: Brown
pH: Not Applicable
PERCENT VOLATILE: Nil
FLASHPOINT AND METHOD: 230 C (446 F) Closed Cup
AUTOIGNITION TEMPERATURE: > 600 C (1112 F)
VAPOR PRESSURE: Not Established
VAPOR DENSITY: 8.5
BOILING POINT: > 300 C (572 F) Decomposes
SOLUBILITY IN WATER: Reacts with water
SPECIFIC GRAVITY: 1.23 (water=1) at 25 C (77 F)
VISCOSITY: 250 Centipoise at 25 C (77 F)
VOC (Volatile Organic Compound): Nil
10. STABILITY AND REACTIVITY
Page 4 of 7
TC-300 PART A

STABILITY: This product is stable under normal ambient conditions of temperature and pressure.
POLYMERIZATION: May occur when exposed to heat in the presence of moisture, alkalies, tertiary amines, metal compounds.
CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions.
POSSIBILITY OF HAZARDOUS REACTIONS: Hazardous reactions will not occur under normal transport or storage conditions.
HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide, carbon dioxide, nitrogen oxides, hydrocarbon and HCN.
INCOMPATIBLE MATERIALS: Water, alcohols, amines, bases, and acids.
11. TOXICOLOGICAL INFORMATION
TOXICITY TO ANIMALS
Chemical Name
ORAL LD50
(rat)
DERMAL LD50
(rabbit)
INHALATION
LC
50 (rat)
Polymeric diphenylmethane diisocyanate > 10000 mg/kg > 9400 mg/kg 310 mg/m3 (4 h)
4,4′-Diphenylmethane diisocyanate > 10000 mg/kg > 9400 mg/kg 0.49 mg/l (4 h)
CHRONIC EFFECTS: Contains material that can cause target organ damage. Once sensitized, a severe allergic reaction may occur when
subsequently exposed to very low levels.
CARCINOGENICITY
Chemical Name
IARC
Status
Polymeric diphenylmethane diisocyanate 3
4,4′-Diphenylmethane diisocyanate 3
IARC: This product contains substances that are not classifiable as carcinogens to humans.
IRRITATION: Causes eye, skin, and respiratory irritation.
SENSITIZATION: May cause sensitization by inhalation and skin contact.
TARGET ORGANS: Contains material which causes damage to the following organs: upper respiratory tract.
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL DATA: No data available.
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available.
DISTRIBUTION: No data available.
CHEMICAL FATE INFORMATION: No data available.
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain
some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via
a licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements
of environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material
and runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION) LAND: Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
Page 5 of 7
TC-300 PART A

15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HAZARD CATEGORIES: Acute health hazard. Chronic health hazard
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section
313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
EPCRA SECTION 313 SUPPLIER NOTIFICATION
Chemical Name Wt.% CAS Comments
Polymeric diphenylmethane diisocyanate 50 – 609016-87-9Diisocyanate Compounds (Category Code N120)
4,4′-Diphenylmethane diisocyanate 40 – 50101-68-8Diisocyanate Compounds (Category Code N120)
CERCLA (COMPREHENSIVE RESPONSE, COMPENSATION, AND L IABILITY ACT)
CERCLA REGULATORY: For this/these chemicals, release of more than the Reportable Quantity to the environment in a 24-hour
period requires notification to the National Response Center (800-424-8802 or 202-426-2675):
Chemical Name Wt.%
CERCLA
RQ
4,4′-Diphenylmethane diisocyanate 40 – 505,000 lbs.
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product contains chemical(s) subject to TSCA Section 12(b) export notification:
None
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119—PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in
this product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: This product contains chemical(s) which are known to the State of California to cause cancer, birth
defects or other reproductive harm, and may be subject to the requirements of California Proposition 65 (CA Health & Safety Code
Section 25249.5):
None
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS HAZARD SYMBOL AND CLASSIFICATION
D1A – Very
Toxic
D2A – Very
Toxic
D2B – Toxic
WHMIS CLASSIFICATION
Class D1A: Poisonous and infectious material (Very toxic).
Class D2A: Poisonous and infectious material (Very toxic).
Class D1B: Poisionous and infectious material (Toxic).
WHMIS HEALTH EFFECTS CRITERIA
D1A – Acute lethality
D2A – Respiratory tract sensitization
D2B – Skin irritation
D2B – Skin Sensitization
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the MSDS contains all the information required by the CPR.
Page 6 of 7
TC-300 PART A

WHMIS CLASS: The D1A classification applies for this material in aerosol or mist form.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic
Substances List (DSL) or the Non-Domestic Substances List (NDSL).
16. OTHER INFORMATION
REASON FOR ISSUE: Revision
REVISION SUMMARY: This MSDS replaces the 2/14/2013 MSDS.
HMIS RATING
HEALTH * 2
FLAMMABILITY 1
PHYSICAL HAZARD 1
PERSONAL PROTECTION X
NFPA CODES

1
2 1

HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc.
assumes no legal responsibility for use or reliance upon this data.
Page 7 of 7
TC-300 PART A

SAFETY DATA SHEET
Date Issued : 5/29/2007
MSDS No : TC-300 PART B
Date-Revised : 1/13/2014
Revision No : 3
TC-300 PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-300 PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Customer Service Number: (714) 734-8450
Fax: (714) 734-8929

CHEMTREC (US Transportation): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Not a dangerous substance according to GHS.
EMERGENCY OVERVIEW
PHYSICAL APPEARANCE AND ODOR: Amber liquid with a slight ammonia odor.
IMMEDIATE CONCERNS: Avoid eye and skin contact. Avoid breathing vapors. May cause eye and skin irritation. Use in well ventilated
areas.
POTENTIAL HEALTH EFFECTS
EYES: May cause eye irritation.
SKIN: May cause skin irritation.
INGESTION: May be harmful if swallowed.
INHALATION: May result in respiratory irritation.
MEDICAL CONDITIONS AGGRAVATED: No data available.
ROUTES OF ENTRY: Eye and skin contact, inhalation of vapors, or accidental ingestion.
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Oxirane, methyl-, polymer with oxirane, ether with 1,2,3-propanetriol (3:1) 90 – 1009082-00-2
Tertiary amine compounds < 2 Proprietary 4. FIRST AID MEASURES EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get medical attention if irritation persists. SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical attention if irritation or rash develops. Wash clothing before reuse. INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person. INHALATION: Remove to fresh air. Seek medical attention if breathing becomes difficult or if respiratory irritation develops. Page 1 of 5 NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored for at least 48 hours. 5. FIRE FIGHTING MEASURES EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam. HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide. FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff from fire control methods to sewers or waterways. FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned hose holders or monitor nozzles for fighting large fires. 6. ACCIDENTAL RELEASE MEASURES SMALL SPILL: Evacuate the area. Clean-up should only be performed by trained personnel. People dealing with a major spill should wear full protective clothing including appropriate respiratory protection. Prevent product spill from entering sewers or waterways. Neutralize small spills with a decontaminant. LARGE SPILL: Contain and absorb large spills onto an inert, non-flammable adsorbent carrier (such as earth or sand). Shovel into open-top drums or plastic bags for further decontamination, if necessary. Wash the spill area clean with a liquid decontaminant. Remove and properly dispose of residues. Notify applicable government authorities if release is reportable. (See CERCLA in Section 15). ENVIRONMENTAL PRECAUTIONS WATER SPILL: Do not discharge into drains or rivers. GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details. RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary. 7. HANDLING AND STORAGE GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors. HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well ventilated area. Handle and use in a manner consistent with good industrial/manufacturing techniques and practices. STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. STORAGE TEMPERATURE: 65-80 F (18-27 C) SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions. 8. EXPOSURE CONTROLS / PERSONAL PROTECTION EXPOSURE GUIDELINES OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200) EXPOSURE LIMITS OSHA PEL ACGIH TLV SupplierOEL Chemical Name ppm mg/m 3 ppm mg/m 3 ppm mg/m 3 Oxirane, methyl-, polymer with oxirane, ether with 1,2,3- propanetriol (3:1) TWA NE NE NE NE NE NE STEL NE NE NE NE NE NE Tertiary amine compounds TWA NE NE NE NE NE NE STEL NE NE NE NE NE NE ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. Page 2 of 5 TC-300 PART B PERSONAL PROTECTIVE EQUIPMENT EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent. SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection. RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134). PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with 'Guidelines for the Selection of Chemical Protective Clothing' published by ACGIH. WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate work area should be prohibited. Wash hands before eating. OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Training is important. Follow all label precautions. 9. PHYSICAL AND CHEMICAL PROPERTIES PHYSICAL STATE: Viscous liquid ODOR: Slight ammonia COLOR: Amber pH: Not Established PERCENT VOLATILE: Not Established FLASHPOINT AND METHOD: 163 C (325 F) Pensky-Martens CC VAPOR PRESSURE: Not Established VAPOR DENSITY: Not Established SOLUBILITY IN WATER: Slightly soluble SPECIFIC GRAVITY: 1.07 (water=1) at 25 C (77 F) VISCOSITY: 900 to 1200 Centipoise at 25 C (77 F) VOC (Volatile Organic Compound): Not Established 10. STABILITY AND REACTIVITY STABILITY: This product is stable under normal ambient conditions of temperature and pressure. POLYMERIZATION: Product will not undergo polymerization. CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions. POSSIBILITY OF HAZARDOUS REACTIONS: Hazardous reactions will not occur under normal transport or storage conditions. HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide. INCOMPATIBLE MATERIALS: Avoid contact with isocyanates and other substances that react with hydroxyl groups. 11. TOXICOLOGICAL INFORMATION TOXICITY TO ANIMALS Chemical Name ORAL LD50 (rat) DERMAL LD50 (rabbit) INHALATION LC 50 (rat) Oxirane, methyl-, polymer with oxirane, ether with 1,2,3-propanetriol (3:1)> 5000 mg/kg > 2000 mg/kg > 200 mg/l (1 h)
Tertiary amine compounds Not Established Not Established Not Established
12. ECOLOGICAL INFORMATION
Page 3 of 5
TC-300 PART B

ENVIRONMENTAL DATA: No data available.
ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information
regarding accidental release and Section 15 for regulatory reporting information.
BIOACCUMULATION/ACCUMULATION: No data available.
DISTRIBUTION: No data available.
CHEMICAL FATE INFORMATION: No data available.
13. DISPOSAL CONSIDERATIONS
DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain
some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via
a licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements
of environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material
and runoff and contact with soil, waterways, drains and sewers.
14. TRANSPORT INFORMATION
DOT (DEPARTMENT OF TRANSPORTATION) LAND: Not Regulated
AIR (ICAO/IATA): Not Regulated
VESSEL (IMO/IMDG): Not Regulated
15. REGULATORY INFORMATION
UNITED STATES
SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT)
311/312 HAZARD CATEGORIES: None Known
313 REPORTABLE INGREDIENTS: This product contains the following substances subject to the reporting requirements of Section
313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372:
None
CERCLA (COMPREHENSIVE RESPONSE, COMPENSATION, AND L IABILITY ACT)
CERCLA REGULATORY: For this/these chemicals, release of more than the Reportable Quantity to the environment in a 24-hour
period requires notification to the National Response Center (800-424-8802 or 202-426-2675):
None
TSCA (TOXIC SUBSTANCE CONTROL ACT)
TSCA REGULATORY: This product contains chemical(s) subject to TSCA Section 12(b) export notification:
None
TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements.
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA )
29 CFR1910.119—PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in
this product are considered highly hazardous by OSHA.
CALIFORNIA PROPOSITION 65: This product contains chemical(s) which are known to the State of California to cause cancer, birth
defects or other reproductive harm, and may be subject to the requirements of California Proposition 65 (CA Health & Safety Code
Section 25249.5):
None
OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200.
CANADA
WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the
hazard criteria of the CPR and the MSDS contains all the information required by the CPR.
WHMIS CLASS: Does not meet criteria.
DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic
Substances List (DSL) or the Non-Domestic Substances List (NDSL).
Page 4 of 5
TC-300 PART B

16. OTHER INFORMATION
REASON FOR ISSUE: Revision
REVISION SUMMARY: This MSDS replaces the 2/14/2013 MSDS.
HMIS RATING
HEALTH 1
FLAMMABILITY 1
PHYSICAL HAZARD 0
PERSONAL PROTECTION X
NFPA CODES

1
1 0

HMIS RATINGS NOTES: Personal Protection: See Section 8
MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best
knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc.
assumes no legal responsibility for use or reliance upon this data.
Page 5 of 5
TC-300 PART B

25TC300C-G_SDS.pdf

SAFETY DATA SHEET
Date Issued : 05/29/2007
SDS No : TC-300 PART B
Date Revised : 08/13/2021
Revision No : 7
TC-300 (6# and 10#) PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-300 (6# and 10#) PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
This product does not meet the criteria for classification.
GHS LABEL
Not Applicable
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 60 – 100Proprietary
1,4-diazabicyclooctane < 0.1 280-57-9 4. FIRST AID MEASURES EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get medical advice/attention if irritation develops. SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash develops. Wash clothing before reuse. INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person. INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops. NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored for at least 48 hours. 5. FIRE FIGHTING MEASURES EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam. HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide. FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff from fire control methods to sewers or waterways. FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned hose holders or monitor nozzles for fighting large fires. 6. ACCIDENTAL RELEASE MEASURES Page 1 of 5 SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE) as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or vermiculite) and transfer to a container for disposal according to local/national regulations. ENVIRONMENTAL PRECAUTIONS WATER SPILL: Do not discharge into drains, surface waters, or groundwater. GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details. RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary. 7. HANDLING AND STORAGE GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors. HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a manner consistent with good industrial/manufacturing techniques and practices. STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. STORAGE TEMPERATURE: 65-80 F (18-27 C) SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions. 8. EXPOSURE CONTROLS / PERSONAL PROTECTION EXPOSURE GUIDELINES OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200) EXPOSURE LIMITS Chemical Name Type ppm mg/m 3 1,4-diazabicyclooctane OSHA PEL TWA - - STEL - - ACGIH TLV TWA - - STEL - - NIOSH REL TWA - - STEL - - ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. PERSONAL PROTECTIVE EQUIPMENT EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent. SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection. RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134). PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical Protective Clothing" published by ACGIH. WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate work area should be prohibited. Wash hands before eating. OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Page 2 of 5 TC-300 (6# and 10#) PART B Training is important. Follow all label precautions. 9. PHYSICAL AND CHEMICAL PROPERTIES PHYSICAL STATE: Viscous liquid ODOR: Slight ammonia COLOR: Amber pH: No data available FLASH POINT AND METHOD: 200 C (392 F) VAPOR PRESSURE: No data available VAPOR DENSITY: No data available BOILING POINT: No data available SOLUBILITY IN WATER: Slightly soluble SPECIFIC GRAVITY: 1.07 (water=1) at 25 C (77 F) VISCOSITY #1: 900 to 1200 Centipoise at 25 C (77 F) (VOC): Nil 10. STABILITY AND REACTIVITY REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions. STABILITY: This product is stable under normal ambient conditions of temperature and pressure. CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions. POSSIBILITY OF HAZARDOUS REACTIONS: No data available HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide. INCOMPATIBLE MATERIALS: Isocyanates and strong oxidizing agents. 11. TOXICOLOGICAL INFORMATION ACUTE TOXICITY Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50 Polyether polyol mixture No data available No data available No data available 1,4-diazabicyclooctane 1700 mg/kg Rat No data available No data available SKIN CORROSION/IRRITATION: No data available SERIOUS EYE DAMAGE/IRRITATION: No data available RESPIRATORY OR SKIN SENSITISATION: No data available GERM CELL MUTAGENICITY: No data available REPRODUCTIVE TOXICITY: No data available STOT-SINGLE EXPOSURE: No data available STOT-REPEATED EXPOSURE: No data available ASPIRATION HAZARD: No data available 12. ECOLOGICAL INFORMATION ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information regarding accidental release and Section 15 for regulatory reporting information. CHEMICAL FATE INFORMATION: No data available BIOACCUMULATION/ACCUMULATION: No data available ENVIRONMENTAL DATA: No data available Page 3 of 5 TC-300 (6# and 10#) PART B DISTRIBUTION: No data available 13. DISPOSAL CONSIDERATIONS DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains and sewers. 14. TRANSPORT INFORMATION DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated AIR (ICAO/IATA): Not Regulated VESSEL (IMO/IMDG): Not Regulated 15. REGULATORY INFORMATION UNITED STATES SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT) 311/312 HEALTH HAZARDS: None Known 313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372. CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT) CERCLA REGULATORY: This product does not contain any substances regulated as a hazardous substance under the Comprehensive Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302). TSCA (TOXIC SUBSTANCE CONTROL ACT) TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification. TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements. OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA ) 29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this product are considered highly hazardous by OSHA. CALIFORNIA PROPOSITION 65: This product does not contain any chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200. CANADA WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the hazard criteria of the CPR and the SDS contains all the information required by the CPR. DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances List (DSL) or the Non-Domestic Substances List (NDSL). GENERAL COMMENTS: No data available 16. OTHER INFORMATION REASON FOR ISSUE: Revision Date Revised: 08/13/2021 REVISION SUMMARY: This SDS replaces the 05/09/2019 SDS. Page 4 of 5 TC-300 (6# and 10#) PART B HMIS RATING HEALTH 1 FLAMMABILITY 1 PHYSICAL HAZARD 0 PERSONAL PROTECTION X NFPA CODES 1 1 0 HMIS RATINGS NOTES: Personal Protection: See Section 8 MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes no legal responsibility for use or reliance upon this data. Page 5 of 5 TC-300 (6# and 10#) PART B

25TC300D-F_SDS.pdf

SAFETY DATA SHEET
Date Issued : 05/29/2007
SDS No : TC-300 PART A
Date Revised : 05/09/2019
ENTERPRISES Revision No : 6
TC-300 PART A
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-300 PART A
GENERAL USE: Polyurethane resin
MANUFACTURER 24HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc. CHEMTREC (USA & Canada): (800) 424-9300
1479] Franklin Avenue or (703) 527-3887 CCN# 2820
Tustin, CA 92780
Emergency Phone: (714) 734-8450
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
Health:
Acute Toxicity (Inhalation), Category 4
Skin Irritation, Category 2
Eye Irritation, Category 2A
Respiratory Sensitization, Category 1
Skin Sensitization, Category |
Carcinogenicity, Category 2
Target Organ Toxicity (Single exposure), Category 3
Target Organ Toxicity (Repeated exposure), Category 2
GHS LABEL
Health hazard Exclamation
mark
SIGNAL WORD: DANGER
HAZARD STATEMENTS
332: Harmful if inhaled.
H315: Causes skin irritation.
H319: Causes serious eye irritation,
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H317: May cause an allergic skin reaction.
H351: Suspected of causing cancer.
H335: May cause respiratory imitation.
373: May cause damage to organs through prolonged or repeated exposure.
PRECAUTIONARY STATEMENTS
Prevention:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P271: Use only outdoors or in a well-ventilated area.
P284: In case of inadequate ventilation wear respiratory protection.

25TC300C-F_SDS.pdf

SAFETY DATA SHEET
Date Issued : 05/29/2007
SDS No : TC-300 PART B
Date Revised : 08/13/2021
Revision No : 7
TC-300 (6# and 10#) PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-300 (6# and 10#) PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
This product does not meet the criteria for classification.
GHS LABEL
Not Applicable
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 60 – 100Proprietary
1,4-diazabicyclooctane < 0.1 280-57-9 4. FIRST AID MEASURES EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get medical advice/attention if irritation develops. SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash develops. Wash clothing before reuse. INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person. INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops. NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored for at least 48 hours. 5. FIRE FIGHTING MEASURES EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam. HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide. FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff from fire control methods to sewers or waterways. FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned hose holders or monitor nozzles for fighting large fires. 6. ACCIDENTAL RELEASE MEASURES Page 1 of 5 SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE) as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or vermiculite) and transfer to a container for disposal according to local/national regulations. ENVIRONMENTAL PRECAUTIONS WATER SPILL: Do not discharge into drains, surface waters, or groundwater. GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details. RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary. 7. HANDLING AND STORAGE GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors. HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a manner consistent with good industrial/manufacturing techniques and practices. STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. STORAGE TEMPERATURE: 65-80 F (18-27 C) SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions. 8. EXPOSURE CONTROLS / PERSONAL PROTECTION EXPOSURE GUIDELINES OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200) EXPOSURE LIMITS Chemical Name Type ppm mg/m 3 1,4-diazabicyclooctane OSHA PEL TWA - - STEL - - ACGIH TLV TWA - - STEL - - NIOSH REL TWA - - STEL - - ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. PERSONAL PROTECTIVE EQUIPMENT EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent. SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection. RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134). PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical Protective Clothing" published by ACGIH. WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate work area should be prohibited. Wash hands before eating. OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Page 2 of 5 TC-300 (6# and 10#) PART B Training is important. Follow all label precautions. 9. PHYSICAL AND CHEMICAL PROPERTIES PHYSICAL STATE: Viscous liquid ODOR: Slight ammonia COLOR: Amber pH: No data available FLASH POINT AND METHOD: 200 C (392 F) VAPOR PRESSURE: No data available VAPOR DENSITY: No data available BOILING POINT: No data available SOLUBILITY IN WATER: Slightly soluble SPECIFIC GRAVITY: 1.07 (water=1) at 25 C (77 F) VISCOSITY #1: 900 to 1200 Centipoise at 25 C (77 F) (VOC): Nil 10. STABILITY AND REACTIVITY REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions. STABILITY: This product is stable under normal ambient conditions of temperature and pressure. CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions. POSSIBILITY OF HAZARDOUS REACTIONS: No data available HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide. INCOMPATIBLE MATERIALS: Isocyanates and strong oxidizing agents. 11. TOXICOLOGICAL INFORMATION ACUTE TOXICITY Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50 Polyether polyol mixture No data available No data available No data available 1,4-diazabicyclooctane 1700 mg/kg Rat No data available No data available SKIN CORROSION/IRRITATION: No data available SERIOUS EYE DAMAGE/IRRITATION: No data available RESPIRATORY OR SKIN SENSITISATION: No data available GERM CELL MUTAGENICITY: No data available REPRODUCTIVE TOXICITY: No data available STOT-SINGLE EXPOSURE: No data available STOT-REPEATED EXPOSURE: No data available ASPIRATION HAZARD: No data available 12. ECOLOGICAL INFORMATION ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information regarding accidental release and Section 15 for regulatory reporting information. CHEMICAL FATE INFORMATION: No data available BIOACCUMULATION/ACCUMULATION: No data available ENVIRONMENTAL DATA: No data available Page 3 of 5 TC-300 (6# and 10#) PART B DISTRIBUTION: No data available 13. DISPOSAL CONSIDERATIONS DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains and sewers. 14. TRANSPORT INFORMATION DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated AIR (ICAO/IATA): Not Regulated VESSEL (IMO/IMDG): Not Regulated 15. REGULATORY INFORMATION UNITED STATES SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT) 311/312 HEALTH HAZARDS: None Known 313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372. CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT) CERCLA REGULATORY: This product does not contain any substances regulated as a hazardous substance under the Comprehensive Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302). TSCA (TOXIC SUBSTANCE CONTROL ACT) TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification. TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements. OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA ) 29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this product are considered highly hazardous by OSHA. CALIFORNIA PROPOSITION 65: This product does not contain any chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200. CANADA WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the hazard criteria of the CPR and the SDS contains all the information required by the CPR. DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances List (DSL) or the Non-Domestic Substances List (NDSL). GENERAL COMMENTS: No data available 16. OTHER INFORMATION REASON FOR ISSUE: Revision Date Revised: 08/13/2021 REVISION SUMMARY: This SDS replaces the 05/09/2019 SDS. Page 4 of 5 TC-300 (6# and 10#) PART B HMIS RATING HEALTH 1 FLAMMABILITY 1 PHYSICAL HAZARD 0 PERSONAL PROTECTION X NFPA CODES 1 1 0 HMIS RATINGS NOTES: Personal Protection: See Section 8 MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes no legal responsibility for use or reliance upon this data. Page 5 of 5 TC-300 (6# and 10#) PART B

25TC300B_SDS.pdf

SAFETY DATA SHEET
Date Issued : 05/29/2007
SDS No : TC-300 PART B
Date Revised : 08/13/2021
Revision No : 7
TC-300 (6# and 10#) PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-300 (6# and 10#) PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
This product does not meet the criteria for classification.
GHS LABEL
Not Applicable
3. COMPOSITION / INFORMATION ON INGREDIENTS
Chemical Name Wt.% CAS
Polyether polyol mixture 60 – 100Proprietary
1,4-diazabicyclooctane < 0.1 280-57-9 4. FIRST AID MEASURES EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get medical advice/attention if irritation develops. SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash develops. Wash clothing before reuse. INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person. INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops. NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored for at least 48 hours. 5. FIRE FIGHTING MEASURES EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam. HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide. FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff from fire control methods to sewers or waterways. FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned hose holders or monitor nozzles for fighting large fires. 6. ACCIDENTAL RELEASE MEASURES Page 1 of 5 SPILL AND LEAK PROCEDURES: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE) as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain spill. Prevent product from entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or vermiculite) and transfer to a container for disposal according to local/national regulations. ENVIRONMENTAL PRECAUTIONS WATER SPILL: Do not discharge into drains, surface waters, or groundwater. GENERAL PROCEDURES: Refer to section 8 of SDS for personal protection details. RELEASE NOTES: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary. 7. HANDLING AND STORAGE GENERAL PROCEDURES: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors. HANDLING: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a manner consistent with good industrial/manufacturing techniques and practices. STORAGE: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. STORAGE TEMPERATURE: 65-80 F (18-27 C) SHELF LIFE: 6 months from date of shipment under manufacturers recommended storage conditions. 8. EXPOSURE CONTROLS / PERSONAL PROTECTION EXPOSURE GUIDELINES OSHA HAZARDOUS COMPONENTS (29 CFR1910.1200) EXPOSURE LIMITS Chemical Name Type ppm mg/m 3 1,4-diazabicyclooctane OSHA PEL TWA - - STEL - - ACGIH TLV TWA - - STEL - - NIOSH REL TWA - - STEL - - ENGINEERING CONTROLS: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. PERSONAL PROTECTIVE EQUIPMENT EYES AND FACE: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent. SKIN: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection. RESPIRATORY: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134). PROTECTIVE CLOTHING: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical Protective Clothing" published by ACGIH. WORK HYGIENIC PRACTICES: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate work area should be prohibited. Wash hands before eating. OTHER USE PRECAUTIONS: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Page 2 of 5 TC-300 (6# and 10#) PART B Training is important. Follow all label precautions. 9. PHYSICAL AND CHEMICAL PROPERTIES PHYSICAL STATE: Viscous liquid ODOR: Slight ammonia COLOR: Amber pH: No data available FLASH POINT AND METHOD: 200 C (392 F) VAPOR PRESSURE: No data available VAPOR DENSITY: No data available BOILING POINT: No data available SOLUBILITY IN WATER: Slightly soluble SPECIFIC GRAVITY: 1.07 (water=1) at 25 C (77 F) VISCOSITY #1: 900 to 1200 Centipoise at 25 C (77 F) (VOC): Nil 10. STABILITY AND REACTIVITY REACTIVITY: Hazardous reactions will not occur under normal transport or storage conditions. STABILITY: This product is stable under normal ambient conditions of temperature and pressure. CONDITIONS TO AVOID: High temperatures, moisture, and freezing conditions. POSSIBILITY OF HAZARDOUS REACTIONS: No data available HAZARDOUS DECOMPOSITION PRODUCTS: Carbon monoxide and carbon dioxide. INCOMPATIBLE MATERIALS: Isocyanates and strong oxidizing agents. 11. TOXICOLOGICAL INFORMATION ACUTE TOXICITY Chemical Name ORAL LD50 DERMAL LD50 INHALATION LC 50 Polyether polyol mixture No data available No data available No data available 1,4-diazabicyclooctane 1700 mg/kg Rat No data available No data available SKIN CORROSION/IRRITATION: No data available SERIOUS EYE DAMAGE/IRRITATION: No data available RESPIRATORY OR SKIN SENSITISATION: No data available GERM CELL MUTAGENICITY: No data available REPRODUCTIVE TOXICITY: No data available STOT-SINGLE EXPOSURE: No data available STOT-REPEATED EXPOSURE: No data available ASPIRATION HAZARD: No data available 12. ECOLOGICAL INFORMATION ECOTOXICOLOGICAL INFORMATION: No specific ecological data are available for this product. Refer to Section 6 for information regarding accidental release and Section 15 for regulatory reporting information. CHEMICAL FATE INFORMATION: No data available BIOACCUMULATION/ACCUMULATION: No data available ENVIRONMENTAL DATA: No data available Page 3 of 5 TC-300 (6# and 10#) PART B DISTRIBUTION: No data available 13. DISPOSAL CONSIDERATIONS DISPOSAL METHOD: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains and sewers. 14. TRANSPORT INFORMATION DOT (DEPARTMENT OF TRANSPORTATION): Not Regulated AIR (ICAO/IATA): Not Regulated VESSEL (IMO/IMDG): Not Regulated 15. REGULATORY INFORMATION UNITED STATES SARA TITLE III (SUPERFUND AMENDMENTS AND REAUTHORIZ ATION ACT) 311/312 HEALTH HAZARDS: None Known 313 REPORTABLE INGREDIENTS: This product does not contain any substances subject to the reporting requirements of Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372. CERCLA (COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPE NSATION, AND LIABILITY ACT) CERCLA REGULATORY: This product does not contain any substances regulated as a hazardous substance under the Comprehensive Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302). TSCA (TOXIC SUBSTANCE CONTROL ACT) TSCA REGULATORY: This product does not contain any substances subject to TSCA Section 12(b) export notification. TSCA STATUS: This product or its components are listed in or exempt from the TSCA inventory requirements. OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA ) 29 CFR1910.119---PROCESS SAFETY MANAGEMENT OF HIGHL Y HAZARDOUS CHEMICALS: None of the chemicals in this product are considered highly hazardous by OSHA. CALIFORNIA PROPOSITION 65: This product does not contain any chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. OSHA HAZARD COMM. RULE: The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200. CANADA WHMIS (WORKPLACE HAZARDOUS MATERIALS INFORMATION SY STEM): This product has been classified according to the hazard criteria of the CPR and the SDS contains all the information required by the CPR. DOMESTIC SUBSTANCE LIST (INVENTORY): All components in this product are listed in or exempted from the Domestic Substances List (DSL) or the Non-Domestic Substances List (NDSL). GENERAL COMMENTS: No data available 16. OTHER INFORMATION REASON FOR ISSUE: Revision Date Revised: 08/13/2021 REVISION SUMMARY: This SDS replaces the 05/09/2019 SDS. Page 4 of 5 TC-300 (6# and 10#) PART B HMIS RATING HEALTH 1 FLAMMABILITY 1 PHYSICAL HAZARD 0 PERSONAL PROTECTION X NFPA CODES 1 1 0 HMIS RATINGS NOTES: Personal Protection: See Section 8 MANUFACTURER DISCLAIMER: This information is furnished without warranty, expressed or implied, except that is accurate to the best knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes no legal responsibility for use or reliance upon this data. Page 5 of 5 TC-300 (6# and 10#) PART B

25TC300B3_SDS.pdf

SAFETY DATA SHEET
Date issued : 05/09/2019
SDS number : TC-300-3 PART B
Date revised : 08/15/2022
Revision number : 1
TC-300 (3#) PART B
1. Identification
Product identifier: TC-300 (3#) PART B
Relevant identified uses: Polyurethane curative
Manufacturer / Supplier Emergency telephone number (24 hour)
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. Hazard identification
Classification of the substance or mixture
This product does not meet the criteria for classification.
Label elements
Not Applicable
3. Composition/information on ingredients
Chemical name % w/w CAS No.
Polyether polyol mixture 80 – 100Proprietary
1,4-diazabicyclooctane < 0.1 280-57-9 4. First-aid measures Eye: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get medical advice/attention if irritation develops. Skin: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash develops. Wash clothing before reuse. Ingestion: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person. Inhalation: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops. Indication of immediate medical attention and special treatment needed, if necessary: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored for at least 48 hours. 5. Fire-fighting measures Suitable extinguishing media: Water spray, carbon dioxide, dry chemical, or foam. Hazardous combustion products: Carbon monoxide and carbon dioxide. Fire fighting procedures: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff from fire control methods to sewers or waterways. Fire fighting equipment: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned hose holders or monitor nozzles for fighting large fires. 6. Accidental release measures Small spill: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE) as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain spill. Prevent product from Page 1 of 4 entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or vermiculite) and transfer to a container for disposal according to local/national regulations. Environmental precautions Water spill: Do not discharge into drains, surface waters, or groundwater. General procedures: Refer to section 8 of SDS for personal protection details. Release notes: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary. 7. Handling and storage General procedures: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors. Precautions for safe handling: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a manner consistent with good industrial/manufacturing techniques and practices. Conditions for safe storage: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. Storage temperature: 65-80 F (18-27 C) Shelf life: 6 months from date of shipment under manufacturers recommended storage conditions. 8. Exposure controls/personal protection Appropriate engineering controls: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. Individual protection measures, such as personal protective equipment Eye / face protection: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent. Skin protection - hand protection: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection. Respiratory protection: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134). Skin protection - other: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical Protective Clothing" published by ACGIH. Occupational hygiene practices: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate work area should be prohibited. Wash hands before eating. Other use precautions: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Training is important. Follow all label precautions. 9. Physical and chemical properties Physical state: Viscous liquid Color: Amber Odor: Slight ammonia pH: No data available Initial boiling point and boiling range: No data available Flash point: 200 C (392 F) Vapor pressure: No data available Relative vapor density: No data available Relative density: 1.07 (water=1) at 25 C (77 F) Solubility: Slightly soluble Dynamic viscosity: 900 to 1200 Centipoise at 25 C (77 F) VOC content: Nil 10. Stability and reactivity Page 2 of 4 TC-300 (3#) PART B Reactivity: Hazardous reactions will not occur under normal transport or storage conditions. Chemical stability: This product is stable under normal ambient conditions of temperature and pressure. Conditions to avoid: High temperatures, moisture, and freezing conditions. Possibility of hazardous reactions: No data available Hazardous decomposition products: Carbon monoxide and carbon dioxide. Incompatible materials: Isocyanates and strong oxidizing agents. 11. Toxicological information Acute toxicity Chemical name LD50 (oral) mg/kg(rat) LD50 (dermal) mg/kg(rabbit) LC50 (inhalation) mg/l Polyether polyol mixture No data available No data available No data available 1,4-diazabicyclooctane 1700 mg/kg Rat No data available No data available Skin corrosion / irritation: No data available Serious eye damage / irritation: No data available Respiratory or skin sensitization: No data available Germ cell mutagenicity: No data available Reproductive toxicity: No data available Specific Target Organ Toxicity - single exposure: No data available Specific Target Organ Toxicity - repeated exposure: No data available Aspiration hazard: No data available 12. Ecological information Ecotoxicological information: No specific ecological data are available for this product. Refer to Section 6 for information regarding accidental release and Section 15 for regulatory reporting information. Persistence and degradability: No data available Bioaccumulative potential: No data available Other adverse effects: No data available Mobility in soil: No data available 13. Disposal considerations Disposal methods: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains and sewers. 14. Transport information USA Department of Transport Regulations (DOT): Not Regulated ICAO / IATA - air: Not Regulated IMO / IMDG - sea: Not Regulated 15. Regulatory information UNITED STATES SARA Section 311/312 Hazard Categories 311/312 Health hazards: None Known 313 reportable ingredients: This product does not contain any substances subject to the reporting requirements of Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372. CERCLA Hazardous Substances and Reportable Quantities (RQ) CERCLA regulatory: This product does not contain any substances regulated as a hazardous substance under the Comprehensive Page 3 of 4 TC-300 (3#) PART B Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302). Chemical name % w/w CERCLA rq Ethylene oxide < 0.0001 10 lbs. 1,4-Dioxane < 0.0001 100 lbs. TSCA (The Toxic Substances Control Act) TSCA regulatory: This product does not contain any substances subject to TSCA Section 12(b) export notification. TSCA Status: This product or its components are listed in or exempt from the TSCA inventory requirements. CAA 112(b) Hazardous Air Pollutants Chemical name % w/w CAS N o. Ethylene oxide < 0.000175-21-8 Occupational safety and health administration (osha) 29 cfr1910.119---process safety management of highly hazardous chemicals: None of the chemicals in this product are considered highly hazardous by OSHA. California Proposition 65: WARNING: This product can expose you to chemicals including [see table below], which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. Chemical name % w/w Listed Ethylene oxide < 0.0001 Cancer Female Reproductive Male Reproductive 1,4-Dioxane < 0.0001 Cancer USA OSHA Hazard Communication Standard (29CFR 1910.1200): The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200. CANADA WHMIS Regulatory Status: This product has been classified according to the hazard criteria of the CPR and the SDS contains all the information required by the CPR. Domestic Substances List (DSL) / Non-Domestic Substances List (NDSL): All components in this product are listed in or exempted from the Domestic Substances List (DSL) or the Non-Domestic Substances List (NDSL). 16. Other information Reason for issue: Revision Date revised: 08/15/2022 Revision summary: This SDS replaces the 05/09/2019 SDS. HMIS rating Health 1 Flammability 1 Physical hazard 0 Personal protection X NFPA codes 1 1 0 HMIS ratings notes: Personal Protection: See Section 8 Manufacturer disclaimer: This information is furnished without warranty, expressed or implied, except that is accurate to the best knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes no legal responsibility for use or reliance upon this data. Page 4 of 4 TC-300 (3#) PART B

25TC300B3-G_SDS.pdf

SAFETY DATA SHEET
Date issued : 05/09/2019
SDS number : TC-300-3 PART B
Date revised : 08/15/2022
Revision number : 1
TC-300 (3#) PART B
1. Identification
Product identifier: TC-300 (3#) PART B
Relevant identified uses: Polyurethane curative
Manufacturer / Supplier Emergency telephone number (24 hour)
BJB Enterprises, Inc.
14791 Franklin Avenue
Tustin, CA 92780
Emergency Phone: (714) 734-8450
CHEMTREC (USA & Canada): (800) 424-9300
or (703) 527-3887 CCN# 2820
2. Hazard identification
Classification of the substance or mixture
This product does not meet the criteria for classification.
Label elements
Not Applicable
3. Composition/information on ingredients
Chemical name % w/w CAS No.
Polyether polyol mixture 80 – 100Proprietary
1,4-diazabicyclooctane < 0.1 280-57-9 4. First-aid measures Eye: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes. Get medical advice/attention if irritation develops. Skin: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash develops. Wash clothing before reuse. Ingestion: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person. Inhalation: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops. Indication of immediate medical attention and special treatment needed, if necessary: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored for at least 48 hours. 5. Fire-fighting measures Suitable extinguishing media: Water spray, carbon dioxide, dry chemical, or foam. Hazardous combustion products: Carbon monoxide and carbon dioxide. Fire fighting procedures: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not release runoff from fire control methods to sewers or waterways. Fire fighting equipment: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of unmanned hose holders or monitor nozzles for fighting large fires. 6. Accidental release measures Small spill: Evacuate unnecessary personnel from the spill area. Wear necessary personal protective equipment (PPE) as specified in the SDS or the site emergency response plan. Eliminate all sources of ignition. Ensure adequate ventilation. Dike and contain spill. Prevent product from Page 1 of 4 entering drains or waterways. Absorb with non-combustible material (such as sand, earth, diatomaceous earth, or vermiculite) and transfer to a container for disposal according to local/national regulations. Environmental precautions Water spill: Do not discharge into drains, surface waters, or groundwater. General procedures: Refer to section 8 of SDS for personal protection details. Release notes: Composition and extent of any spill should be evaluated against local regulations and reported to the proper agencies, if necessary. 7. Handling and storage General procedures: Avoid contact with eyes, skin and clothing. Use only with adequate ventilation. Avoid breathing vapor over open containers. Avoid open container exposure to damp air. Avoid breathing aerosols, mists, and vapors. Precautions for safe handling: Use appropriate personal protective equipment as specified in Section 8. Handle in a well-ventilated area. Handle and use in a manner consistent with good industrial/manufacturing techniques and practices. Conditions for safe storage: Store in a dry and well-ventilated place, away from excessive heat, in original or similar container. Avoid unnecessary contact. Protect from freezing. Containers should be tightly sealed to prevent contamination with foreign materials. Storage temperature: 65-80 F (18-27 C) Shelf life: 6 months from date of shipment under manufacturers recommended storage conditions. 8. Exposure controls/personal protection Appropriate engineering controls: Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. Individual protection measures, such as personal protective equipment Eye / face protection: Safety goggles or glasses are recommended. Plastic face shields should be used for complete face protection to protect against possible splashing or spraying of material. ANSI Z87.1 or approved equivalent. Skin protection - hand protection: Chemical-resistant gloves and chemical goggles, face-shield, and synthetic apron or coveralls should be used to prevent contact with eyes, skin, or clothing. Wear nitrile or neoprene gloves. Chemical resistant gloves lined with polyethylene offer maximum protection. Respiratory protection: Exhaust ventilation recommended. An organic vapor cartridge or fresh air supplied respirator (NIOSH approved) may be necessary for certain applications. Consider the type of application, environmental concentrations, and other materials being used concurrently when determining respirator use and selection. Observe OSHA regulations for respirator use (29 CFR 1910.134). Skin protection - other: Protective clothing should be selected and used in accordance with "Guidelines for the Selection of Chemical Protective Clothing" published by ACGIH. Occupational hygiene practices: Contaminated clothing should be changed and washed before reuse. Eating, drinking and smoking in immediate work area should be prohibited. Wash hands before eating. Other use precautions: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Training is important. Follow all label precautions. 9. Physical and chemical properties Physical state: Viscous liquid Color: Amber Odor: Slight ammonia pH: No data available Initial boiling point and boiling range: No data available Flash point: 200 C (392 F) Vapor pressure: No data available Relative vapor density: No data available Relative density: 1.07 (water=1) at 25 C (77 F) Solubility: Slightly soluble Dynamic viscosity: 900 to 1200 Centipoise at 25 C (77 F) VOC content: Nil 10. Stability and reactivity Page 2 of 4 TC-300 (3#) PART B Reactivity: Hazardous reactions will not occur under normal transport or storage conditions. Chemical stability: This product is stable under normal ambient conditions of temperature and pressure. Conditions to avoid: High temperatures, moisture, and freezing conditions. Possibility of hazardous reactions: No data available Hazardous decomposition products: Carbon monoxide and carbon dioxide. Incompatible materials: Isocyanates and strong oxidizing agents. 11. Toxicological information Acute toxicity Chemical name LD50 (oral) mg/kg(rat) LD50 (dermal) mg/kg(rabbit) LC50 (inhalation) mg/l Polyether polyol mixture No data available No data available No data available 1,4-diazabicyclooctane 1700 mg/kg Rat No data available No data available Skin corrosion / irritation: No data available Serious eye damage / irritation: No data available Respiratory or skin sensitization: No data available Germ cell mutagenicity: No data available Reproductive toxicity: No data available Specific Target Organ Toxicity - single exposure: No data available Specific Target Organ Toxicity - repeated exposure: No data available Aspiration hazard: No data available 12. Ecological information Ecotoxicological information: No specific ecological data are available for this product. Refer to Section 6 for information regarding accidental release and Section 15 for regulatory reporting information. Persistence and degradability: No data available Bioaccumulative potential: No data available Other adverse effects: No data available Mobility in soil: No data available 13. Disposal considerations Disposal methods: The generation of waste should be avoided or minimized wherever possible. Empty containers or liners may retain some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of environmental protections and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains and sewers. 14. Transport information USA Department of Transport Regulations (DOT): Not Regulated ICAO / IATA - air: Not Regulated IMO / IMDG - sea: Not Regulated 15. Regulatory information UNITED STATES SARA Section 311/312 Hazard Categories 311/312 Health hazards: None Known 313 reportable ingredients: This product does not contain any substances subject to the reporting requirements of Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part 372. CERCLA Hazardous Substances and Reportable Quantities (RQ) CERCLA regulatory: This product does not contain any substances regulated as a hazardous substance under the Comprehensive Page 3 of 4 TC-300 (3#) PART B Environmental Response Compensation and Liability Act (CERCLA) (40 CFR 302). Chemical name % w/w CERCLA rq Ethylene oxide < 0.0001 10 lbs. 1,4-Dioxane < 0.0001 100 lbs. TSCA (The Toxic Substances Control Act) TSCA regulatory: This product does not contain any substances subject to TSCA Section 12(b) export notification. TSCA Status: This product or its components are listed in or exempt from the TSCA inventory requirements. CAA 112(b) Hazardous Air Pollutants Chemical name % w/w CAS N o. Ethylene oxide < 0.000175-21-8 Occupational safety and health administration (osha) 29 cfr1910.119---process safety management of highly hazardous chemicals: None of the chemicals in this product are considered highly hazardous by OSHA. California Proposition 65: WARNING: This product can expose you to chemicals including [see table below], which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. Chemical name % w/w Listed Ethylene oxide < 0.0001 Cancer Female Reproductive Male Reproductive 1,4-Dioxane < 0.0001 Cancer USA OSHA Hazard Communication Standard (29CFR 1910.1200): The contents of the SDS comply with the OSHA Hazard Communication Standard 29 CFR 1910.1200. CANADA WHMIS Regulatory Status: This product has been classified according to the hazard criteria of the CPR and the SDS contains all the information required by the CPR. Domestic Substances List (DSL) / Non-Domestic Substances List (NDSL): All components in this product are listed in or exempted from the Domestic Substances List (DSL) or the Non-Domestic Substances List (NDSL). 16. Other information Reason for issue: Revision Date revised: 08/15/2022 Revision summary: This SDS replaces the 05/09/2019 SDS. HMIS rating Health 1 Flammability 1 Physical hazard 0 Personal protection X NFPA codes 1 1 0 HMIS ratings notes: Personal Protection: See Section 8 Manufacturer disclaimer: This information is furnished without warranty, expressed or implied, except that is accurate to the best knowledge of BJB Enterprises, Inc. The data on this sheet relates only to the specific material designated herein. BJB Enterprises, Inc. assumes no legal responsibility for use or reliance upon this data. Page 4 of 4 TC-300 (3#) PART B

25TC300B16-B_SDS.pdf

SAFETY DATA SHEET
Date Issued : 05/29/2007
SDS No : TC-300 PART B
Date Revised : 05/09/2019
ENTERPRISES Revision No : 6
TC-300 (6#, 10#, 16#) PART B
1. PRODUCT AND COMPANY IDENTIFICATION
PRODUCT NAME: TC-300 (6#, 10#, 16#) PART B
GENERAL USE: Polyurethane curative
MANUFACTURER 24 HR. EMERGENCY TELEPHONE NUMBERS
BJB Enterprises, Inc. CHEMTREC (USA & Canada): (800) 424-9300
14791 Franklin Avenue or (703) 527-3887 CCN# 2820
Tustin, CA 92780
Emergency Phone: (714) 734-8450
2. HAZARDS IDENTIFICATION
GHS CLASSIFICATIONS
This product does not meet the criteria for classification.
GHS LABEL
Not Applicable
3. COMPOSITION / INFORMATION ON INGREDIENTS
Polyether polyol mixture 60- 100
4, FIRST AID MEASURES
EYES: Immediately flush with plenty of water. After initial flushing, remove any contact lenses and continue flushing for at least 15 minutes.
Get medical advice/attention if irritation develops.
SKIN: Immediately wash skin with soap and plenty of water. Remove contaminated clothing. Get medical advice/attention if irritation or rash
develops. Wash clothing before reuse.
INGESTION: If swallowed, call a physician immediately. Do not induce vomiting unless directed to do so by medical personnel. Provided the
patient is conscious, wash out mouth with water. Never give anything by mouth to an unconscious person.
INHALATION: Remove to fresh air. Seek medical advice/attention if breathing becomes difficult or if respiratory irritation develops.
NOTES TO PHYSICIAN: Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be
monitored for at least 48 hours.
5, FIRE FIGHTING MEASURES
EXTINGUISHING MEDIA: Water spray, carbon dioxide, dry chemical, or foam.
HAZARDOUS COMBUSTION PRODUCTS: Carbon monoxide and carbon dioxide.
FIRE FIGHTING PROCEDURES: Cool fire exposed containers with water spray. Remove containers from the fire area if possible. Do not
release runoff from fire control methods to sewers or waterways.
FIRE FIGHTING EQUIPMENT: Firefighters should wear positive pressure self-contained breathing apparatus (SCBA) and consider use of
unmanned hose holders or monitor nozzles for fighting large fires.