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

Shin-Etsu KE-1935A/B Silicone Rubber

Shin-Etsu KE-1935A/B is a two-part addition-cure liquid silicone rubber offering excellent flowability, low shrinkage, and high thermal stability for precision molding of medical devices and electronics encapsulation.
  • shin etsu ke 1935a b silicone rubber_47639df6
  • shin etsu ke 1935a b silicone rubber_47639df6

Features Of Shin-Etsu KE-1935A/B Silicone Rubber

  1. Two-part, addition-cure liquid silicone rubber system offering excellent flowability and low viscosity for precision molding.

  2. High thermal stability with continuous service temperature up to 200 °C and short-term resistance to 250 °C.

  3. Outstanding electrical insulation properties and low dielectric loss across wide frequency and temperature ranges.

  4. Excellent adhesion to various substrates including metals, plastics, and glass without primer under optimized conditions.

  5. UL 94 V-0 rated flame retardancy when cured, meeting stringent safety requirements for electronic encapsulation.

Typical Applications Of Shin-Etsu KE-1935A/B Silicone Rubber

  1. Encapsulation and potting of high-voltage power electronics and IGBT modules.

  2. Sealing and insulating components in automotive EV battery management systems (BMS).

  3. Thermal interface material (TIM) bonding layers for LED lighting housings and heat sinks.

  4. Protective coatings for aerospace-grade sensors and avionics connectors.

  5. Dielectric gasketing in renewable energy inverters and solar microconverters.

Specifications Of Shin-Etsu KE-1935A/B Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A: base; Part B: catalyst)
AppearancePart A: translucent colorless liquid; Part B: translucent pale yellow liquid
Mix Ratio (A:B) by Weight10:1
Shore A Hardness (Cured, 7 days @ 25 °C + post-cure)45 ± 3
Tensile Strength (ASTM D412)8.5 MPa min
Elongation at Break (ASTM D412)280% min
Volume Resistivity (ASTM D257)1.0 × 10¹⁵ Ω·cm min


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