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low viscosity elastomers advancedengineering electronics/optoelectronics





  • Three-part, optically clear, pourable silicone system
  • 1:1:0.1 Mix Ratio (Part A:B:C)
  • Incorporates an adhesion promoter to help adhere to polycarbonate and other difficult substrates
  • Offers excellent physical properties and a broad operating temperature range


  • As an adhesive or encapsulant for applications requiring optical clarity and a 1.46 refractive index
  • Use as an optical coupling agent, as a lens sealing material, or for other photonics applications including HBLED’s, photo detectors, lasers, discrete optics and flat panel displays

Product Details

Property Average result
Cure System Platinum
Viscosity A: 48,500 cP / B: 40,000 cP
Durometer 20 Type A
Tensile 550 psi
Elongation 325 %
Appearance Translucent
Refractive Index 1.46
Specific Gravity 1.14
Stress @ Strain 70 psi / 100 %
Tack Free Time 1 hours
Tear 25 ppi
Volatile Content 0.8 %
Display in metric units

The above properties are tested on a lot-to-lot basis. Do not use as a basis for preparing specifications. Please contact NuSil Technology for assistance and recommendations in establishing particular specifications.

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