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

Wacker ELASTOSIL N294 Silicone Rubber

Wacker ELASTOSIL® N294 is a two-part platinum-cured liquid silicone rubber (LSR) offering excellent flowability, low viscosity, and high tear strength. Ideal for precision injection molding of medical devices, baby care items, and technical parts requiring biocompatibility and thermal stability up to 200°C. Meets ISO 10993 and USP Class VI standards.
  • wacker elastosil n294 silicone rubber_10940860
  • wacker elastosil n294 silicone rubber_10940860

Features Of Wacker ELASTOSIL N294 Silicone Rubber

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

  2. Platinum-catalyzed addition-cure system enabling precise control over cure kinetics and low post-cure shrinkage.

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

  4. Excellent electrical insulation properties and high dielectric strength.

  5. Low compression set and superior long-term elasticity retention under dynamic stress.

Typical Applications Of Wacker ELASTOSIL N294 Silicone Rubber

  1. Optical encapsulation of LEDs and light-guiding components in automotive and consumer electronics.

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

  3. High-clarity gaskets and seals for display modules and touch-sensitive interfaces.

  4. Soft-touch overmolding on electronic housings and wearable device enclosures.

  5. Prototyping and small-batch production of precision silicone parts via liquid injection molding (LIM).

Specifications Of Wacker ELASTOSIL N294 Silicone Rubber

Chemical TypePlatinum-cured addition-cure liquid silicone rubber (LSR)
Product FormTwo-component, low-viscosity liquid system (Part A + Part B)
AppearanceClear, water-white liquid
Shore A Hardness (cured)25 ± 2
Tensile Strength (cured)5.0–6.5 MPa
Elongation at Break (cured)450–550 %
Density (uncured, 23 °C)1.08–1.12 g/cm³
Processing Viscosity (Part A, 25 °C)2,500–3,500 mPa·s


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