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

Shin-Etsu CHN-6700-U Silicone Rubber

Shin-Etsu CHN-6700-U Silicone Rubber is a high-transparency, platinum-cured liquid silicone rubber (LSR) offering excellent thermal stability, low compression set, and outstanding flow for precision molding of medical and optical components. It complies with ISO 10993 and USP Class VI standards, ensuring biocompatibility and consistent vulcanization without peroxide byproducts.
  • shin etsu chn 6700 u silicone rubber_cf09d6ba
  • shin etsu chn 6700 u silicone rubber_cf09d6ba

Features Of Shin-Etsu CHN-6700-U Silicone Rubber

  1. High tear strength and excellent elongation for demanding dynamic sealing applications.

  2. Outstanding resistance to compression set, ensuring long-term sealing integrity under continuous stress.

  3. Good processability with low viscosity before curing, enabling efficient injection molding and extrusion.

  4. Meets UL 94 HB flammability rating for enhanced safety in electrical and electronic enclosures.

  5. Stable performance across a wide temperature range (–60 °C to +200 °C).

Typical Applications Of Shin-Etsu CHN-6700-U Silicone Rubber

  1. Automotive engine gaskets and under-hood sealing components.

  2. Electrical connectors and housings for EV powertrain systems.

  3. Industrial fluid handling seals exposed to oils, coolants, and brake fluids.

  4. Medical device enclosures requiring biocompatibility-supporting material base.

  5. Consumer electronics waterproof seals for wearables and portable devices.

Specifications Of Shin-Etsu CHN-6700-U Silicone Rubber

Chemical TypePlatinum-cured liquid silicone rubber (LSR)
Product FormTwo-part liquid (Part A + Part B), ready-to-use after mixing
AppearancePale translucent viscous liquid (Part A); colorless to pale yellow liquid (Part B)
Shore A Hardness (Cured, 7 days @ 23°C)65 ± 2
Tensile Strength (Cured)≥ 8.0 MPa
Elongation at Break (Cured)≥ 350 %
Compression Set (70 h @ 175°C, ASTM D395 Method B)≤ 20 %
Curing Conditions (Typical)150°C × 5 min (or equivalent time–temperature profile)


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