• 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 45,000 cP (45,000 mPa*s)
Durometer 20 Type A
Tensile 550 psi (3.79 MPa)
Elongation 325 %
Appearance Translucent
Refractive Index 1.46
Specific Gravity 1.14
Stress at Strain 70 psi / 100 % (0.48 MPa / 100 %)
Tack Free Time 1 hours
Tear 25 ppi (4.41 kN/m)
Volatile Content 0.8 %

Contact NuSil™ to Order Now

For over 40 years, the NuSil brand has offered a wide range of high-purity silicones. Our team is ready to collaborate with you to provide silicone solutions to satisfy your unique requirements. For additional guidance during your selection process, or to order a sample, contact NuSil today.

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The test data shown for this material is the average value for typical properties. All of these properties may not be tested on a lot to lot basis and cannot be used to draft specifications. Please contact NuSil for assistance and recommendations in establishing limits for product specifications.