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

Shin-Etsu KE-765-U Silicone Rubber

Shin-Etsu KE-765-U is a high-transparency, low-viscosity addition-cure liquid silicone rubber from Shin-Etsu’s KE-700 series, designed for precision molding of optical lenses, LED encapsulation, and medical devices. It offers excellent thermal stability, low shrinkage, and superior UV resistance with platinum-catalyzed curing.
  • shin etsu ke 765 u silicone rubber_3cc6632b
  • shin etsu ke 765 u silicone rubber_3cc6632b

Features Of Shin-Etsu KE-765-U Silicone Rubber

  1. High-transparency, platinum-cured liquid silicone rubber (LSR) with excellent optical clarity and low haze.

  2. Outstanding thermal stability for continuous use from –50 °C to +200 °C.

  3. Low compression set and superior elasticity, ensuring long-term sealing performance in dynamic applications.

  4. Biocompatibility compliant with ISO 10993-5 and USP Class VI, suitable for medical-grade components.

  5. Excellent flow characteristics and fast cure profile, optimized for high-precision injection molding processes.

Typical Applications Of Shin-Etsu KE-765-U Silicone Rubber

  1. Medical devices: catheter components, respiratory masks, and drug delivery system seals.

  2. Optical encapsulation: LED lenses, light guides, and transparent sensor housings.

  3. Automotive lighting: headlamp gaskets, lens bonding layers, and interior ambient light diffusers.

  4. Consumer electronics: waterproof seals for wearables, transparent button overlays, and haptic feedback membranes.

Specifications Of Shin-Etsu KE-765-U Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure liquid silicone rubber (LSR)
Product FormTwo-component (Part A + Part B), viscous liquid
AppearanceTransparent, colorless to pale yellow liquid
Shore A Hardness (Cured)65 ± 3
Tensile Strength (Cured)8.0 MPa (ASTM D412)
Elongation at Break (Cured)550% (ASTM D412)
Cure Temperature Range110–150 °C (time-dependent)
Primary ApplicationsMedical, optical, automotive lighting, and consumer electronics


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