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

Wacker ELASTOSIL P 7670 Silicone Rubber

Wacker ELASTOSIL® P 7670 is a two-component addition-curing liquid silicone rubber offering excellent flowability low viscosity and high tear strength ideal for precision casting encapsulation and medical-grade molding applications.
  • wacker elastosil p 7670 silicone rubber_9d65db74
  • wacker elastosil p 7670 silicone rubber_9d65db74

Features Of Wacker ELASTOSIL P 7670 Silicone Rubber

  1. Platinum-catalyzed addition-cure system for excellent replication fidelity and low shrinkage.

  2. High tear strength and elongation at break for demanding dynamic applications.

  3. Excellent thermal stability with continuous service temperature up to 180 °C.

  4. Low compression set ensuring long-term sealing performance under sustained load.

  5. Biocompatibility compliant with ISO 10993–5 and USP Class VI (when fully cured).

Typical Applications Of Wacker ELASTOSIL P 7670 Silicone Rubber

  1. Medical device components including respiratory masks, tubing connectors, and implantable housing seals.

  2. Automotive fluid-handling gaskets and vibration-damping mounts exposed to elevated temperatures.

  3. Industrial encapsulation of sensitive electronics requiring thermal and electrical insulation.

  4. Food-contact compliant seals and gaskets for processing equipment (EU Regulation No. 10/2011).

  5. High-precision molds for optical lenses and microfluidic devices due to exceptional detail reproduction.

Specifications Of Wacker ELASTOSIL P 7670 Silicone Rubber

Chemical TypePlatinum-cured silicone rubber (addition cure)
Product FormTwo-component liquid system (Part A + Part B)
Appearance (Uncured)Viscous, translucent liquid (Part A); colorless to pale yellow liquid (Part B)
Shore A Hardness (Cured, 7 d @ 23 °C)70 ± 3
Tensile Strength (Cured, ISO 37)8.5 MPa min
Elongation at Break (Cured, ISO 37)220 % min
Compression Set (24 h @ 150 °C, ISO 815)≤ 25 %
Key Features SummaryHigh dimensional stability, low volatility, no by-products during cure


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