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

Wacker ELASTOSIL N9111 Silicone Rubber

Wacker ELASTOSIL® N9111 is a high-transparency, platinum-cured liquid silicone rubber (LSR) from Wacker’s ELASTOSIL® N series. It offers excellent mechanical properties, low compression set, and outstanding thermal stability. Ideal for medical devices, baby products, and precision molding applications requiring biocompatibility and FDA compliance.
  • wacker elastosil n9111 silicone rubber_901bfbd1
  • wacker elastosil n9111 silicone rubber_901bfbd1

Features Of Wacker ELASTOSIL N9111 Silicone Rubber

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

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

  3. Low compression set ensuring long-term sealing performance under sustained load.

  4. Good electrical insulation properties compliant with UL 94 HB flammability rating.

  5. Platinum-catalyzed, addition-cure system enabling precise, reproducible vulcanization without by-products.

Typical Applications Of Wacker ELASTOSIL N9111 Silicone Rubber

  1. Dynamic seals and gaskets in automotive powertrain and HVAC systems.

  2. Medical device components requiring biocompatibility (ISO 10993 tested) and sterilization resistance.

  3. Electrical insulators and protective housings for sensors and connectors.

  4. Food-contact parts in processing equipment compliant with FDA 21 CFR §177.2600.

  5. Industrial rollers, diaphragms, and vibration-damping elements.

Specifications Of Wacker ELASTOSIL N9111 Silicone Rubber

Chemical TypePlatinum-cured addition silicone rubber
Product FormTwo-component liquid silicone rubber (Part A + Part B)
AppearanceTranslucent, low-viscosity liquid (Part A); translucent liquid catalyst (Part B)
Shore A Hardness (Cured)55 ± 3
Tensile Strength (Cured)8.5–10.5 MPa
Elongation at Break (Cured)≥ 350 %
Primary ApplicationsSealing, molding, and encapsulation in automotive, medical, and industrial sectors
Key FeaturesFast cure, low shrinkage, high dimensional stability, and excellent aging resistance


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