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

Wacker ELASTOSIL RT 602 A B Two-Component Silicone Rubber

Wacker ELASTOSIL® RT 602 A/B is a high-performance two-component addition-cure silicone rubber offering excellent mechanical strength thermal stability and low compression set. Ideal for precision molding sealing and encapsulation in automotive medical and industrial applications. Features fast room-temperature curing minimal by-products and outstanding adhesion to various substrates without primers.
  • wacker elastosil rt 602 a b two component silicone rubber_1f2f2c16
  • wacker elastosil rt 602 a b two component silicone rubber_1f2f2c16

Features Of Wacker ELASTOSIL RT 602 A B Two-Component Silicone Rubber

  1. Excellent thermal stability with continuous service temperature range from −60 °C to +180 °C.

  2. Low viscosity and long pot life for easy mixing, degassing, and casting of complex geometries.

  3. High tear strength and outstanding elongation at break for durable, flexible elastomer parts.

  4. Platinum-catalyzed addition cure system offering precise control, no by-products, and excellent replication fidelity.

  5. Good electrical insulation properties and resistance to UV, ozone, and weathering.

Typical Applications Of Wacker ELASTOSIL RT 602 A B Two-Component Silicone Rubber

  1. Prototyping and low-volume production of functional silicone rubber parts via vacuum casting.

  2. Manufacturing of seals, gaskets, and soft-touch components for automotive interiors.

  3. Production of medical device housings and non-implantable components requiring biocompatibility (ISO 10993 tested).

  4. Tooling and mold-making for polyurethane, epoxy, and wax casting applications.

Specifications Of Wacker ELASTOSIL RT 602 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
Appearance (Part A)Translucent, low-viscosity liquid
Appearance (Part B)Translucent, low-viscosity liquid
Mixing Ratio (A:B)1:1 by weight
Cure TemperatureRoom temperature (accelerated at elevated temperatures)
Shore A Hardness (7 days, 23 °C)60 ± 2
Elongation at Break (7 days, 23 °C)≥ 250 %


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