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low viscosity elastomers advancedengineering electronics/optoelectronics




Low volatility and requires heat to cure, long pot life for dispensing


  • Two-part, optically clear silicone system
  • Based on a methyl silicone polymer
  • Low viscosity
  • 1:1 Mix Ratio (Part A:B)
  • Requires heat to cure


  • For bonding, casting or compression molding of high performance optical components
  • For applications requiring index matching at 1.40
  • For photonics applications requiring low volatility silicone to avoid contamination

Product Details

Property Average result
Cure System Platinum
Viscosity 3,200 cP
Durometer 50 Type A
Tensile 900 psi
Elongation 90 %
Appearance Transparent
Cte 330 ppm/°C
Cure 60 minutes / 150 °C
Dielectric Strength 530 volts/mil
Ionic Content Cl <5 ppm
Ionic Content K <2.5 ppm
Ionic Content Na <2.5 ppm
Lap Shear 270 psi
Mix Ratio 1:1
Refractive Index 1.4
Specific Gravity 1.02
Comment Low volatility and requires heat to cure, long pot life for dispensing
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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