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

Wacker LUMISIL 815 Two-Component Silicone Rubber

Wacker LUMISIL 815 is a two-component addition-cure liquid silicone rubber offering excellent flowability, low viscosity, and high thermal stability. Ideal for precision molding of medical devices and electronics, it cures rapidly at room or elevated temperatures with minimal shrinkage and outstanding biocompatibility per ISO 10993.
  • wacker lumisil 815 two component silicone rubber_ebc319f0
  • wacker lumisil 815 two component silicone rubber_ebc319f0

Features Of Wacker LUMISIL 815 Two-Component Silicone Rubber

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

  2. High transparency and optical clarity suitable for light-diffusing and LED encapsulation applications.

  3. Low compression set and outstanding elasticity after prolonged thermal aging.

  4. Platinum-catalyzed addition cure system offering precise control over pot life and curing speed.

  5. UL 94 V-0 rated flame retardancy without halogen additives.

Typical Applications Of Wacker LUMISIL 815 Two-Component Silicone Rubber

  1. LED lens encapsulation and secondary optical elements in lighting fixtures.

  2. Transparent gaskets and seals for medical devices requiring biocompatibility and sterilization resistance.

  3. Optical bonding layers in automotive display modules and sensor housings.

  4. Flexible, transparent components in consumer electronics such as wearable device interfaces.

  5. High-clarity potting compounds for precision optical sensors and photonic assemblies.

Specifications Of Wacker LUMISIL 815 Two-Component Silicone Rubber

Chemical TypePlatinum-catalyzed addition-curing silicone rubber
Product FormTwo-component liquid system (Part A + Part B)
AppearanceWater-white, low-viscosity liquids
Primary ApplicationsOptical encapsulation, transparent sealing, LED packaging
Key FeaturesHigh transparency, low yellowing, excellent UV stability
BenefitsLong service life under thermal and UV stress; no by-products during cure
Curing SystemAddition cure (hydrosilylation)
Shelf Life12 months at ≤25 °C in unopened original packaging


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