Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Shin-Etsu KE-2014-40A/B Silicone Rubber

Shin-Etsu KE-2014-40A/B is a two-part addition-cure liquid silicone rubber offering excellent flow, low viscosity, and high thermal stability. Ideal for precision molding of medical devices and electronics, it cures rapidly at room or elevated temperatures with minimal shrinkage and superior mechanical properties.
  • shin etsu ke 2014 40a b silicone rubber_6eebcc67
  • shin etsu ke 2014 40a b silicone rubber_6eebcc67

Features Of Shin-Etsu KE-2014-40A/B Silicone Rubber

  1. Two-part addition-cure liquid silicone rubber system with excellent mixing ratio tolerance (A:B = 1:1 by weight).

  2. Low viscosity and outstanding flowability for precise filling of fine-detailed molds and complex geometries.

  3. Fast room-temperature or elevated-temperature curing with minimal shrinkage and no by-products.

  4. Exceptional thermal stability, maintaining mechanical integrity from –50 °C to +200 °C after full cure.

  5. Excellent electrical insulation properties and UL 94 V-0 flammability rating (per cured sample).

Typical Applications Of Shin-Etsu KE-2014-40A/B Silicone Rubber

  1. Medical device encapsulation and sealing components requiring ISO 10993 biocompatibility compliance.

  2. Automotive sensors, ignition boots, and ECU potting where vibration resistance and thermal cycling durability are critical.

  3. LED lighting optics and secondary optical elements due to high transparency and UV stability.

  4. Consumer electronics gaskets, keypads, and soft-touch overmolding for enhanced tactile performance and environmental sealing.

Specifications Of Shin-Etsu KE-2014-40A/B Silicone Rubber

Chemical TypeAddition-cure platinum-catalyzed silicone rubber
Product FormTwo-component liquid (Part A and Part B)
Appearance (Uncured)Part A: Translucent colorless liquid; Part B: Translucent colorless liquid
Mixing Ratio (by weight)1:1 (A:B)
Cure Condition (Standard)25 °C × 24 h or 100 °C × 10 min
Hardness (Shore A, ASTM D2240)40 ± 2
Tensile Strength (ASTM D412)≥ 5.0 MPa
Elongation at Break (ASTM D412)≥ 350 %


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