Technical datasheet

KEG-2000-40A/B

Supplied byShin-Etsu- Last Updated on Aug 5, 2025

KEG-2000-40A/B by Shin-Etsu is a general purpose, fast curing silicone rubber grade. It is transparent and offers excellent heat resistance, high tear strength and flame retardancy. It exhibits long pot life, rapid cure at elevated temperature and low viscosity to allow easy pumping. Provides easy colorability, reduced molding time, automated- & eco-friendly molding and improved productivity. KEG-2000-40A/B consists of two components A and B, mixed in a 1:1 ratio and is suitable for processing by liquid injection molding. Used in electronics, electrical equipments, office automation, automobile, food products, household goods and leisure products. It is used in O-rings, diaphragms, capping, rubber rollers and connector packaging. Meets ISO 10993, FDA, BfR, KTW, WRAS, W270, USP Class VI and UL 94 HB flame rating. It has a shelf life of 6 months.
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Benefits

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Compliance

Food Contact Approval
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KEG-2000-40A/B properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Rating, UL 940.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
100% Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Compression Set0.0 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 Elongation0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Viscosity0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Cure Speed (T10)0.0 Visible After LoginVisible After LoginVisible After Login
Cure Speed (T90)0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

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Cure Temperature0.0 Visible After LoginVisible After LoginVisible After Login

KEG-2000-40A/B Processing Guidelines

Injection Molding Processing Guidelines

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Injection PressureVisible After LoginVisible After Login

Liquid Injection Molding Processing Guidelines

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Mold TemperatureVisible After LoginVisible After Login

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