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Lighting

Highly transparent liquid silicone rubber and room-temperature-curing silicone elastomers from WACKER support new designs and production methods in lighting technology. A global manufacturer of silicone products, WACKER offers a comprehensive portfolio of products and services for applications in the fields of chip encapsulation, lens fabrication, and light guides.

Applications:

  • Primary and secondary optics
  • Light and lighting technology
  • Sensors
  • Optical lenses
  • Optical coupling elements
  • SOG (silicone on glass)

Benefits:

  • Broad range of temperatures from -50 to 150 °C
  • Excellent weathering and UV resistance
  • Very good chemical resistance
  • Outstanding dielectric properties that remain largely constant over a wide range of temperatures and frequencies (-50 to 180 °C)
  • Water-repellent surfaces and low moisture absorption
  • High chemical purity

Product Recommendations

Table is scrollable
Products
Technical data
Product properties
Appearance Hardness Shore A Tear strength Tensile strength Elongation at break Resistance Product Rheology Specific Features Crosslinking Property Vulcanizate
ELASTOSIL® RT 778 - - 52[2] 52[2] 7.0[1] 7.0[1] 3.5 N/mm²[3] 3.5 N/mm²[3] 120 %[4] 120 %[4] Heat resistant Shear thinning, Non-slump - Condensation-curing, Two-component, Fast curing at room temperature Self-adhesive, Electrically insulating
LUMISIL® LR 7601/70 A/B high transparent high transparent 70[2] 70[2] 10 N/mm[1] 10 N/mm[1] 10.0 N/mm²[3] 10.0 N/mm²[3] 90 %[4] 90 %[4] - - Low volatile, Food-contact, Highly transparent, Reduced volatile content - -
SILRES® H44 - - - - - - - - - - - - Solvent-free, Heat resistant, Condensation-curing, Hydrophobic, UV & weathering-resistant, Electrically insulating - -
Legend
[1] Tear strength | ASTM D 624 B,  [2] Hardness Shore A | DIN ISO 48-4,  [3] Tensile strength | ISO 37 type 1,  [4] Elongation at break | ISO 37 type 1,  [] Suited,  [] Well suited,  [] Ideally suited