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

Wacker ELASTOSIL SC 835 Silicone Rubber

Wacker ELASTOSIL SC 835 is a two-component, addition-curing liquid silicone rubber (LSR) offering excellent flowability, low viscosity, and outstanding thermal stability. Ideal for precision injection molding of medical devices, baby care items, and food-contact parts. Complies with ISO 10993 and USP Class VI standards. Features rapid cure, high tear strength, and minimal shrinkage.
  • wacker elastosil sc 835 silicone rubber_afb1013e
  • wacker elastosil sc 835 silicone rubber_afb1013e

Features Of Wacker ELASTOSIL SC 835 Silicone Rubber

  1. High transparency and excellent optical clarity for demanding aesthetic applications.

  2. Platinum-catalyzed addition-cure system enabling precise, reproducible processing without by-products.

  3. Outstanding thermal stability with continuous service temperature range from –60 °C to +180 °C.

  4. Low compression set and superior long-term elastic recovery under dynamic mechanical stress.

  5. Biocompatibility compliant with ISO 10993-5 (cytotoxicity) and USP Class VI requirements.

Typical Applications Of Wacker ELASTOSIL SC 835 Silicone Rubber

  1. Medical-grade tubing and fluid handling components for IV systems and diagnostic devices.

  2. Optically clear seals and gaskets in pharmaceutical packaging and sterile barrier systems.

  3. Transparent encapsulation of sensitive electronics and LED lighting modules.

  4. Soft-touch overmolding on precision instruments and wearable medical sensors.

  5. Custom molded parts for laboratory equipment requiring chemical resistance and autoclavability.

Specifications Of Wacker ELASTOSIL SC 835 Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid silicone rubber (Part A + Part B)
AppearanceWater-white, low-viscosity liquid
Shore A Hardness (7 days, 23 °C)35 ± 2
Tensile Strength (ISO 37)8.5 MPa (typical)
Elongation at Break (ISO 37)550 % (typical)
Density (ISO 1183)1.11 g/cm³ (typical)
Curing SystemAddition cure (no peroxides or condensation by-products)


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