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

Shin-Etsu KE-1988A/B Silicone Rubber

Shin-Etsu KE-1988A/B is a two-part addition-cure liquid silicone rubber offering excellent flowability low shrinkage and high thermal stability ideal for precision molding of medical devices and electronic components.
  • shin etsu ke 1988a b silicone rubber_266430ba
  • shin etsu ke 1988a b silicone rubber_266430ba

Features Of Shin-Etsu KE-1988A/B Silicone Rubber

  1. Two-part, platinum-catalyzed addition-cure silicone rubber system offering excellent dimensional stability after curing.

  2. Low viscosity before cure enables easy mixing, degassing, and precise mold filling for complex geometries.

  3. Exceptional thermal resistance with continuous service temperature up to 200 °C and short-term peak tolerance to 250 °C.

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

  5. Meets UL 94 V-0 flammability rating when properly formulated and cured, supporting safety-critical applications.

Typical Applications Of Shin-Etsu KE-1988A/B Silicone Rubber

  1. High-reliability encapsulation of power electronics, including IGBT modules and EV inverter components.

  2. Thermal interface materials (TIMs) for heat dissipation in LED lighting systems and semiconductor packaging.

  3. Sealing and potting of sensors and control units in automotive under-hood environments.

  4. Insulating layers and protective coatings for medical device components requiring biocompatibility support.

  5. Flexible bonding and cushioning elements in renewable energy systems such as solar inverters and wind turbine controllers.

Specifications Of Shin-Etsu KE-1988A/B Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone elastomer
Product FormTwo-component liquid system (Part A: base polymer + filler; Part B: crosslinker + catalyst)
Appearance (Uncured)Part A: translucent viscous liquid; Part B: translucent low-viscosity liquid
Mixing Ratio (A:B by weight)10:1
Cure Conditions150 °C for 10 minutes or 100 °C for 60 minutes
Hardness (Shore A, ASTM D2240)50 ± 5
Tensile Strength (ASTM D412)≥ 6.0 MPa
Elongation at Break (ASTM D412)≥ 200 %


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