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

Wacker ELASTOSIL 7750 Silicone Rubber

Wacker ELASTOSIL® 7750 is a two-component, platinum-cured liquid silicone rubber (LSR) offering excellent mechanical strength, thermal stability up to 200°C, and outstanding biocompatibility—ideal for medical devices, seals, and precision molded parts requiring ISO 10993 and USP Class VI compliance.
  • wacker elastosil 7750 silicone rubber_2c96c647
  • wacker elastosil 7750 silicone rubber_2c96c647

Features Of Wacker ELASTOSIL 7750 Silicone Rubber

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

  2. Fast room-temperature vulcanization (RTV) with low shrinkage and minimal by-products.

  3. Outstanding resistance to weathering, UV radiation, ozone, and extreme temperatures (–60 °C to +180 °C).

  4. Good adhesion to common substrates including metals, glass, and plastics without primer.

  5. Low viscosity before curing enables easy dispensing, potting, and gap-filling in complex geometries.

Typical Applications Of Wacker ELASTOSIL 7750 Silicone Rubber

  1. Automotive gaskets and vibration-damping components.

  2. Electrical insulation and encapsulation of sensors and control units.

  3. Sealing and bonding in HVAC systems and industrial equipment housings.

  4. Medical device assembly requiring biocompatibility-compliant materials (ISO 10993 tested).

  5. Custom molded parts for aerospace and rail transport where thermal stability is critical.

Specifications Of Wacker ELASTOSIL 7750 Silicone Rubber

Chemical TypePlatinum-cured addition-cure liquid silicone rubber (LSR)
Product FormTwo-component liquid system (Part A + Part B)
AppearancePale yellow, translucent viscous liquid
Shore A Hardness (7 days, 23 °C)50 ± 3
Tensile Strength (ASTM D412)8.5 MPa (typical)
Elongation at Break (ASTM D412)320 % (typical)
Curing Time (Surface Dry)≈ 20 minutes at 23 °C / 50 % RH
Operating Temperature Range–60 °C to +180 °C (continuous)


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