Technical datasheet

KE-871C-U

Supplied byShin-Etsu- Last Updated on Oct 6, 2025

KE-871C-U by Shin-Etsu is a silicone rubber by Shin-Etsu, containing 1.0 of C-8 curing agent added to 100 parts of compound. It is highly transparent, non-corrosive, inert and can be easily colored with pigments. Shows releasability, good chemical stability, electrical insulation and good weatherability. Offers thermal- & electrical conductivity, tear- & tensile strength, gas & vapor permeability, low loss modulus and vibration absorption. Provides superior heat-, cold-, flex fatigue-, radiation-, compression-, oil-, solvent-, moisture-, steam- and chemical resistance. KE-871C-U is suitable for processing by compression moldng. Used in electronics, electrical equipments, office automation, automobile, food products, household goods and leisure products. Meets JIS B2401 4-C.
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KE-871C-U properties

Mechanical properties

PropertiesValue & unitTest conditionTest method
Compression Set0.0 Visible After LoginVisible After LoginVisible After Login
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore A0.0 Visible After LoginVisible After LoginVisible After Login
Tear Strength0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Williams Plasticity0.0 Visible After LoginVisible After LoginVisible After Login

KE-871C-U Processing Guidelines

Compression Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Compression Molding TemperatureVisible After LoginVisible After Login
Molding Time (10-25 mm thickness)Visible After LoginVisible After Login
Molding Time (25-50 mm thickness)Visible After LoginVisible After Login
Molding Time (5-10 mm thickness)Visible After LoginVisible After Login
PressureVisible After LoginVisible After Login

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