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

Shin-Etsu KE-5690-U Silicone Rubber

Shin-Etsu KE-5690-U is a high-performance addition-cure liquid silicone rubber featuring excellent transparency, low viscosity, and outstanding thermal stability. Designed for precision molding and encapsulation, it offers superior mechanical strength, flame retardancy (UL94 V-0), and biocompatibility per ISO 10993. Ideal for medical devices, optics, and electronics sealing.
  • shin etsu ke 5690 u silicone rubber_0a189fc7
  • shin etsu ke 5690 u silicone rubber_0a189fc7

Features Of Shin-Etsu KE-5690-U Silicone Rubber

  1. High-temperature resistance up to 200 °C for continuous service.

  2. Excellent electrical insulation properties with low dielectric loss.

  3. Good flexibility and elongation at low temperatures (down to –60 °C).

  4. Platinum-catalyzed addition-cure system enabling precise, reproducible vulcanization.

  5. Low compression set for reliable sealing performance over extended service life.

Typical Applications Of Shin-Etsu KE-5690-U Silicone Rubber

  1. High-reliability gaskets and seals in automotive powertrain and EV battery modules.

  2. Insulating components for high-voltage power electronics and inverters.

  3. Thermal interface materials (TIM) requiring long-term stability under thermal cycling.

  4. Medical device housings and connectors requiring biocompatibility-compliant silicone formulations.

  5. Industrial sensors and actuators exposed to harsh environmental conditions.

Specifications Of Shin-Etsu KE-5690-U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-part liquid system (Part A + Part B)
AppearanceTranslucent, low-viscosity liquid
Primary ApplicationsSealing, insulation, and thermal management in demanding industrial environments
Key FeaturesHigh thermal stability, excellent electrical insulation, low compression set
BenefitsConsistent cure profile, minimal post-cure shrinkage, RoHS compliant
Curing MethodHeat cure (typically 120–150 °C for 3–10 minutes)
Storage ConditionsStore at 5–25 °C; protect from moisture and direct sunlight


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