Silopren® LSR 7005

Category: Silicone Rubber, LSR , Silicone Rubber, LSR
Manufacturer: Momentive Performance Materials Inc.
Trademark: Silopren®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: aXt71l_Silopren-LSR-7005.pdf
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Silopren LSR 7005 liquid silicone rubber is a two-component, high-transparency, low-hardness, low-viscosity, fast-cure speed and ultra clear liquid silicone rubber (LSR). Providing good optical clarity, Silopren LSR 7005 liquid silicone rubber combines typical LSR properties, such as high temperature stability and flowability, with excellent UV and blue light stability. As a result, optical parts produced using this material can exhibit excellent durability and maintain optical clarity, even if exposed to high temperatures or UV light. The very low hardness and low modulus help enable easy assembling and coupling of molded optical elements. Silopren LSR 7005 liquid silicone rubber is designed to be processed through LSR injection molding technology, which can help to produce high precision optical parts even in large quantities at a high efficiency.

Key Features and Typical Benefits
  • Optical Clarity
  • Durability
  • Design Freedom

Potential Applications
  • Optical interfaces
  • Rain light sensors
  • Camera systems
  • Optical sensors
  • Other transparent applications
General Information
Features
  • Durable
  • Fast Cure
  • Good Color Stability
  • Good Colorability
  • Good Crack Resistance
  • Good Mold Release
  • Good Thermal Stability
  • Good UV Resistance
  • High Clarity
  • High Flow
  • High Heat Resistance
  • Low Hardness
  • Low Viscosity
Uses
  • Optical Applications
Appearance
  • Clear/Transparent
Forms
  • Liquid
Processing Method
  • Liquid Injection Molding (LIM)
PhysicalNominal ValueUnitTest Method
Density 0.980g/cm³JIS K6249
Molding Shrinkage - Flow 2.2%JIS K6249
Water Absorption (Equilibrium)< 0.10%ASTM D570
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)5JIS K6249
ElastomersNominal ValueUnitTest Method
Tensile Strength 0.300MPaJIS K6249
Tensile Elongation (Break)210%JIS K6249
ThermalNominal ValueUnit
CLTE - Flow (40 to 90°C)3.3E-4cm/cm/°C
OpticalNominal ValueUnitTest Method
Refractive Index 1.410
Transmittance
    2000 µm, 400 nm 93.0%
    2000 µm, 700 nm 94.0%
Haze < 1.0%ASTM D1003
Abbe Number 50.0
ThermosetNominal ValueUnit
Thermoset Components
    Part A Mix Ratio by Weight: 1.0
    Part B Mix Ratio by Weight: 1.0
Uncured PropertiesNominal ValueUnit
Color
    -- 1Clear/Transparent
    -- 2Clear/Transparent
Viscosity
    23°C 350Pa·s
    23°C 453Pa·s
    23°C 555Pa·s
Curing Time (130°C)0.25hr
Pot Life (23°C)2900min
Note Message
1 .Part B
2 .Part A
3 .Part B
4 .Mixed
5 .Part A
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