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

Wacker LUMISIL 901 A B Two-Component Silicone Rubber

Wacker LUMISIL 901 A/B is a platinum-cured two-component addition-cure silicone rubber offering excellent mechanical strength thermal stability and biocompatibility ideal for medical device molding and precision encapsulation applications.
  • wacker lumisil 901 a b two component silicone rubber_b197085f
  • wacker lumisil 901 a b two component silicone rubber_b197085f

Features Of Wacker LUMISIL 901 A B Two-Component Silicone Rubber

  1. High transparency and excellent optical clarity for precision light-transmitting applications.

  2. Platinum-catalyzed addition-cure system ensuring low shrinkage and high dimensional stability.

  3. Excellent thermal resistance with continuous service temperature up to 180 °C.

  4. Good electrical insulation properties and UL 94 V-0 flammability rating.

  5. Low compression set and outstanding resilience after prolonged deformation.

Typical Applications Of Wacker LUMISIL 901 A B Two-Component Silicone Rubber

  1. LED encapsulation and secondary optical elements (e.g., lenses, light guides).

  2. Medical device components requiring biocompatibility and sterilization resistance.

  3. Automotive lighting systems including headlamp lenses and signal covers.

  4. High-reliability electronic potting and protective coatings for sensors and modules.

  5. Optoelectronic packaging where long-term UV stability and yellowing resistance are critical.

Specifications Of Wacker LUMISIL 901 A B Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
AppearanceClear, viscous liquid (Part A); clear, low-viscosity liquid (Part B)
Mixing Ratio (A:B) by Weight10:1
Cure Conditions150 °C for 5 minutes or 100 °C for 30 minutes
Shore A Hardness (Cured)90 ± 3
Density (23 °C)1.16 g/cm³ (Part A); 1.02 g/cm³ (Part B)
Primary ApplicationsOptical encapsulation, LED lighting, medical optics, automotive lighting


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