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

Wacker ELASTOSIL P 7630 A B Two-Component Silicone Rubber

Wacker ELASTOSIL® P 7630 A/B is a platinum-catalyzed two-component addition-cure silicone rubber offering excellent mechanical strength thermal stability and low compression set ideal for precision molding of seals gaskets and technical parts in automotive medical and industrial applications.
  • wacker elastosil p 7630 a b two component silicone rubber_dad105f6
  • wacker elastosil p 7630 a b two component silicone rubber_dad105f6

Features Of Wacker ELASTOSIL P 7630 A B Two-Component Silicone Rubber

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

  2. Fast room-temperature vulcanization (RTV) with balanced pot life and cure speed.

  3. Outstanding thermal stability, maintaining mechanical integrity from –60 °C to +180 °C.

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

  5. Excellent electrical insulation properties and UL 94 V-0 flammability rating.

Typical Applications Of Wacker ELASTOSIL P 7630 A B Two-Component Silicone Rubber

  1. Automotive sensor encapsulation and electronic control unit (ECU) potting.

  2. Medical device housings requiring biocompatibility and sterilization resistance.

  3. Industrial gaskets and seals for high-temperature fluid handling systems.

  4. LED lighting modules requiring optical clarity, thermal management, and environmental protection.

  5. Aerospace-grade vibration-damping mounts and interface materials.

Specifications Of Wacker ELASTOSIL P 7630 A B Two-Component Silicone Rubber

Chemical TypePlatinum-cured addition-cure silicone rubber
Product FormTwo-component liquid system (Part A: base, Part B: catalyst)
AppearancePart A: translucent viscous liquid; Part B: translucent low-viscosity liquid
Mixing Ratio (A:B)10:1 by weight
Shore A Hardness (7 days, 23 °C)65 ± 3
Tensile Strength (7 days, 23 °C)8.5 MPa min
Elongation at Break (7 days, 23 °C)220% min
Density (23 °C)1.15 g/cm³ approx.


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