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

Wacker ELASTOSIL A316 Silicone Rubber

Wacker ELASTOSIL A316 is a two-component platinum-cured liquid silicone rubber renowned for excellent transparency, low viscosity, and outstanding mechanical properties after curing. Ideal for precision casting, medical device molding, and food-grade applications due to its biocompatibility and FDA compliance. Offers fast demolding, high tear strength, and thermal stability from −60 °C to 200 °C.
  • wacker elastosil a316 silicone rubber_ab0abcc0
  • wacker elastosil a316 silicone rubber_ab0abcc0

Features Of Wacker ELASTOSIL A316 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 aging, UV radiation, ozone, and extreme temperatures (–60 °C to +200 °C).

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

  5. Low viscosity for easy dispensing, degassing, and cavity filling in precision molding processes.

Typical Applications Of Wacker ELASTOSIL A316 Silicone Rubber

  1. Automotive gaskets and vibration-damping mounts.

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

  3. Medical device encapsulation requiring biocompatibility-compliant materials.

  4. Industrial sealing of housings, connectors, and fluid systems.

  5. Consumer electronics protection against moisture, dust, and mechanical stress.

Specifications Of Wacker ELASTOSIL A316 Silicone Rubber

Chemical TypeCondensation-curing, two-component silicone rubber
Product FormPaste-like, thixotropic base component (Part A) and liquid catalyst (Part B)
AppearanceTranslucent to milky white, homogeneous paste (Part A); clear, colorless liquid (Part B)
Shore A Hardness (7 days, 23 °C)30–35
Tensile Strength (7 days, 23 °C)4.5–5.5 MPa
Elongation at Break (7 days, 23 °C)350–450 %
Cure Time (Surface Dry)Approx. 15–30 minutes at 23 °C / 50 % RH
Operating Temperature Range–60 °C to +200 °C (short-term peak up to +250 °C)


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