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Elmet Technologies
Momentive Performance Materials Silopren LSR 7070FC Two-component liquid silicone rubber
Categories: Polymer; Thermoset; Silicone; Silicone Rubber; Liquid Silicone Rubber (LSR)

Material Notes: Silopren LSR 7070FC liquid silicone rubber is a two-component, high-transparency, medium-hardness, low-viscosity, fast-cure speed and ultra clear liquid silicone rubber (LSR). Providing good optical clarity, Silopren LSR 7070FC liquid silicone rubber combines typical LSR properties, such as high temperature stability and flowability, with excellent UV and blue light stability. As a result, molded lenses produced using this material can exhibit excellent durability and maintain optical clarity, even if exposed to high temperatures or UV light. Due to its high flowability, Silopren LSR 7070FC liquid silicone rubber can help enable excellence in manufacturing complex and microstructure optical lenses, even in large quantities, utilizing the injection and compression molding processes.

Features: 94% transmission, <1% haze, Abbe number of approximately 50, Strong color stability, High temperature resistance even above 150 °C, UV light resistance, Micro-crack resistance, Equivalent to UL 94 HB.

Applications: Interior and exterior lighting - lenses and other illumination optics, Automotive lighting - lenses and light guides, Electronics - mobile phones, flash lenses, sensing lenses, light guides and other optics, Solar - optics for concentrating PVs.

Information provided by Momentive Performance Materials.

Vendors:
Available Properties
  • Density, JIS K 6249
  • Water Absorption, D 570
  • Viscosity, B- component. 23°C D=10/s)
  • Viscosity, Mixed.
  • Viscosity, A- component. 23°C D=10/s)
  • Hardness, Shore A, JIS K 6249
  • Hardness, Shore D
  • Tensile Strength, JIS K 6249
  • Elongation at Break, JIS K 6249
  • Tear Strength, JIS K 6249
  • CTE, linear
  • Flammability, UL94
  • Shrinkage, JIS K 6249
  • Refractive Index, Cured
  • Abbe Number
  • Haze, D 1003, Cured
  • Transmission, Visible, 400 nm
  • Transmission, Visible, 700 nm
  • Processing Temperature, Press Cure as Tested
  • Pot Life, Closed vessel
  • Pot Life
  
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Manufacturer Notes:
Momentive Performance Materials (GE Silicones)

Category Notes
Plastic

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