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low viscosity elastomers advancedengineering optoelectronics/electronics





  • Solvent-free, low viscosity, clear, two-part silicone elastomer
  • Accelerated cure rate with heat
  • Based on a dimethyl diphenyl silicone copolymer
  • 10:1 Mix Ratio (Part A:B)


  • For bonding, casting or injection molding of high performance optical components
  • For applications requiring index matching at 1.43
  • For applications requiring an operating temperature range of -115 to 260°C (–175 to 500°F)

Product Details

Property Average result
Cure System Platinum
Viscosity 5,400 cP
Durometer 40 Type A
Tensile 900 psi
Elongation 120 %
Appearance Transparent
Cure 60 minutes / 60 C
Mix Ratio 10:1
Operating Temperature -115 C / 260 C
Refractive Index 1.43
Specific Gravity 1.03
Comment 1.43 Refractive Index at 589nm. For applications requiring a broader operating temperature range.
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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