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PRODUCT DATA SHEET
SikaBiresin CR161 (Formerly EPOLAM 2070NA)
Epoxy Laminating and Infusion System for High Temperature Applications
TYPICAL PHYSICAL PROPERTIES (FOR FURTHER VALUES SEE SAFETY DATA SHEET)
SikaBiresin CR161 (A) __| SikaBiresin CH161-6 (B)
Resin Hardener
a
Mix ratio by weight 100 31
Mix ratio by volume 100 35,
Color (mixed) Clear liquid
Viscosity Brookfield (mixed) 450 cps
DESCRIPTION PRODUCT BENEFITS AREAS OF APPLICATION
SikaBiresin CR161 is an epoxy-based – High Te capability SikaBiresin CR161 is used for
laminating and infusion system designed _ – Low mixed viscosity high temperature use composite
for use in the production of high ~ Long potlife . tools and parts for aerospace and
temperature use composite tooling and ~ Excellent final properties after post-cure ss cartel oxdeor Wocheseries, ts
structures by typical impregnation methods ccs Yon infec :
(infusion, wet-lay-up). suitable for infusion processing,
wet-layup, and vacuum bagging
processes.
TYPICAL MECHANICAL AND THERMAL PROPERTIES (NEAT FORM)
properties, Test Method SikaBiresin CR161 (A) | SikaBiresin CH161-6 (8)
Resin Hardener
Tensile strength, ASTM D638 5,100 psi (35 MPa)
Tensile modulus, ASTM D638 465,000 psi (4,969 MPa)
Flexural strength, ASTM D790 8,800 psi (61 MPa)
Flexural modulus, ASTM D790 392,000 psi (2,700 MPa)
Glass Transition Temperature (Tg), DSC method 289 F (143 C)
Coefficient of Thermal Expansion : 5
Range: +50 F (10 C) – 176 F (80 C) 35 um/m F (64 um/m*C)
Cured 24 hours at 77 F (25 C) + 16 hours at 248 F (120 C)
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PRODUCT DATA SHEET ro
SikaBiresin CR161
Version 01.01 (09 – 2023), en_US