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low viscosity elastomers advancedengineering electronics/optoelectronics





  • Two-part, optically clear, non-phenyl containing addition cure silicone
  • Designed to stay thermo-optically stable with heat and UV exposure
  • 24 hours minimum work time
  • 80 Type A durometer aids with scratch resistance and reduces tackiness


  • For molding or casting hard, non-yellowing lenses for LED, solar or other applications where a hard, optically-stable silicone is needed
  • Viscosity is designed to be used with conventional Liquid Injection Molding equipment, and the material is self-leveling for casting application techniques

Product Details

Property Average result
Cure System Platinum
Viscosity 21,500 cP
Durometer 80 Type A
Tensile 1,250 psi
Elongation 65 %
Appearance Transparent
Cure 30 minutes / 150 C
Mix Ratio 1:1
Refractive Index 1.41
Specific Gravity 1.07
Tear 55 ppi
Work Time 24 hours
Comment Hard and flexible elastomer. Can be casted and liquid injection molded. Requires heat to cure. Recommend SP-120 or SP-201 for overmolding.
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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