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low consistency elastomers advancedengineering electronics/optoelectronics





  • Two-part, optically clear, solvent free, low viscosity silicone
  • Cures at room temperature or rapidly with heat
  • 10:1 Mix Ratio (Part A:B)


  • For bonding, casting or injection molding of high performance optical components
  • For applications requiring index matching at 1.41
  • For applications requiring an operating temperature range of
  • -65 to 240°C (–85 to 465°F)

Product Details

Property Average result
Durometer 50 Type A
Viscosity 5,300 cP
Work Time 5.5 hours
Tensile 1,300 psi
Appearance Transparent
Cure 15 minutes / 150 C
Cure System Platinum
Dielectric Strength 500 volts/mil
Elongation 95 %
Mix Ratio 10:1
Operating Temperature -65 C / 240 C
Refractive Index 1.41
Specific Gravity 1.03
Tack Free Time 15 hours
Tear 20 ppi
Volume Resistivity 1,000,000,000,000,000 ohmcm
Comment General use RTV clear adhesive
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.


Developed in direct response to our work in the most challenging environments, NQS is a systematic approach to achieving consistent quality that goes far beyond what you'd expect.