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low consistency 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
Tensile 1,250 psi
Work Time 24 hours
Viscosity 21,500 cP
Durometer 80 Type A
Appearance Transparent
Cure 30 minutes / 150 C
Cure System Platinum
Elongation 65 %
Mix Ratio 1:1
Refractive Index 1.41
Specific Gravity 1.07
Tear 55 ppi
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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