• Two-part, pourable, optically clear, silicone
  • 1:1 Mix Ratio (Part A:B)


  • Use in the injection and transfer molding of optical components
  • As an adhesive or encapsulant for applications requiring index matching at 1.41

Product Details

Property Average Result
Cure System Platinum
Viscosity 62,500 cP (62,500 mPa*s)
Durometer 50 Type A
Tensile 750 psi (5.17 MPa)
Elongation 305 %
Appearance Clear
Cure 30 minutes / 150 °C
Mix Ratio 1:1
Refractive Index 1.41
Specific Gravity 1.03
Tear 80 ppi (14.11 kN/m)
Work Time 24 hours
Comment Versatile and tough clear elastomer. Requires heat to cure.

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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.