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

Wacker SEMICOSIL 962 TC A B Two-Component Silicone Rubber

Wacker SEMICOSIL 962 TC A/B is a two-component addition-curing silicone rubber offering excellent thermal conductivity (1.5 W/mK), low viscosity, and outstanding adhesion to metals and plastics—ideal for potting, encapsulation, and thermal interface applications in electronics and automotive sectors.
  • wacker semicosil 962 tc a b two component silicone rubber_1cdb9f20
  • wacker semicosil 962 tc a b two component silicone rubber_1cdb9f20

Features Of Wacker SEMICOSIL 962 TC A B Two-Component Silicone Rubber

  1. High thermal conductivity for efficient heat dissipation in power electronics.

  2. Excellent electrical insulation properties combined with thermal management capability.

  3. Low modulus and high elasticity ensure stress relief and long-term reliability under thermal cycling.

  4. Platinum-catalyzed, addition-cure chemistry enables precise control over curing and minimal by-products.

  5. Two-component system with simple 1:1 mixing ratio by weight for ease of processing and reproducibility.

Typical Applications Of Wacker SEMICOSIL 962 TC A B Two-Component Silicone Rubber

  1. Thermal interface material (TIM) between IGBT modules and heat sinks in electric vehicles and inverters.

  2. Encapsulation and potting of power semiconductor devices operating at elevated temperatures.

  3. Gap-filling thermal pads for battery management systems (BMS) and onboard chargers.

  4. Die-attach and underfill applications requiring both thermal conduction and electrical isolation.

Specifications Of Wacker SEMICOSIL 962 TC A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-cure silicone rubber
Product FormTwo-component liquid (Part A and Part B)
AppearanceOpaque grey paste (Part A), translucent grey paste (Part B)
Mixing Ratio (by weight)1 : 1
Shore A Hardness (cured, 7 days @ 23 °C)~45
Thermal Conductivity (ASTM D5470)2.0 W/(m·K)
Density (ISO 2781)~2.0 g/cm³
Volume Resistivity (IEC 60093)>1 × 10¹⁴ Ω·cm


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