The material selection platform
Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Silopren™ LSR 7080J

Silopren™ LSR 7080J by Momentive Performance Materials is a two-component liquid silicone rubber. Offers high transparency, high hardness, medium viscosity, fast cure speed and good optical clarity. Exhibits high temperature stability and flowability with excellent UV and blue light stability. Provides resistance to UV-light, micro-crack and high temperature (above 150°C). Shows excellent processability, excellent durability, colorability and excellent color stability. Designed for processing by injection and compression molding. Silopren™ LSR 7080J is used in lenses and light guides for automotive lighting, lenses & other illumination optics for interior & exterior lighting, mobile phones, flash lenses, sensing lenses for electronic industry and primary optics for concentrating PVs for solar applications. Complies with UL 94 (HB) (File No. E56745) flame rating.
Product Type
Silicone Rubber
Physical Form

Silopren™ LSR 7080J Properties

Physical Properties

Value & Unit
Test Condition
Test Method
150 Pa.s
(Part A, (D=10/s), at 23°C)
90 Pa.s
(Part B, (D=10/s), at 23°C)
120 Pa.s
(Mixed, at 23°C)

Silopren™ LSR 7080J Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Mold Temperature
110 - 150 °C
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