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

Shin-Etsu KE-675-U Silicone Rubber

Shin-Etsu KE-675-U is a high-performance addition-cure liquid silicone rubber from Shin-Etsu’s KE-series, offering excellent fluidity, low viscosity, and superior thermal stability. It cures rapidly at room or elevated temperatures with platinum catalyst, delivering exceptional mechanical strength, electrical insulation, and biocompatibility—ideal for precision molding, medical devices, and electronics encapsulation.
  • shin etsu ke 675 u silicone rubber_98974e81
  • shin etsu ke 675 u silicone rubber_98974e81

Features Of Shin-Etsu KE-675-U Silicone Rubber

  1. Two-part, addition-cure liquid silicone rubber (LSR) with excellent flowability and low viscosity for precision molding.

  2. High thermal stability and consistent performance across a wide operating temperature range (–50 °C to +200 °C).

  3. Exceptional electrical insulation properties and low dielectric loss, suitable for high-reliability electronic encapsulation.

  4. Low compression set and outstanding elasticity retention after prolonged thermal aging.

  5. Meets UL 94 V-0 flammability rating and complies with RoHS and REACH regulatory requirements.

Typical Applications Of Shin-Etsu KE-675-U Silicone Rubber

  1. Encapsulation and potting of automotive sensors and power electronics modules.

  2. Sealing and insulating components in industrial control systems and programmable logic controllers (PLCs).

  3. Molding of medical device housings requiring biocompatibility support (ISO 10993-tested base formulation).

  4. Protective coatings for LED lighting assemblies exposed to thermal cycling and humidity.

  5. Insulating gaskets and interface materials in 5G base station RF modules.

Specifications Of Shin-Etsu KE-675-U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber
Product FormTwo-component (Part A: base; Part B: catalyst), supplied separately
Appearance (Part A)Translucent, low-viscosity liquid
Appearance (Part B)Clear, low-viscosity liquid
Mixing Ratio (A:B)10:1 by weight
Cure Conditions150 °C for 5 minutes (or 100 °C for 30 minutes)
Shore A Hardness (cured)65 ± 3
Primary ApplicationsElectrical insulation, thermal management, environmental sealing


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