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adhesives/sealants advancedengineering space




*4 )Primed Lap Shear 225 psi (1.6 MPa), Optically Clear


  • Two-part, optically clear silicone system
  • Low viscosity
  • Convenient 1:1 mix ratio (Part A:B)


  • For applications requiring low outgassing and minimal volatile condensables under extreme operating conditions
  • As an embedding or potting compound for electronic assemblies and components to provide protection from extremes in humidity, radiation, thermal stress and mechanical stress
  • Suitable as an adhesive in applications such as solar cell arrays where clarity and low volatility are important
  • For applications requiring a low viscosity for superior flow

Meets or exceeds the ASTM E 595 low outgas specifications outlined in NASA SP-R-0022A and European Space Agency PSS-014-702, with a TML of ≤1% and CVCM of ≤0.1%

Product Details

Property Average result
Cure System Platinum
Viscosity 3,225 cP
Lap Shear 300 psi
Durometer 50 Type A
Appearance Transparent
Cte 400 ppm/°C
Cure 15 minutes / 150 °C
Elongation 70 %
Mix Ratio 1:1
Refractive Index 1.4
Specific Gravity 1.02
Tack Free Time 6 hours
Tensile 850 psi
Work Time 3 hours
Comment *4 )Primed Lap Shear 225 psi (1.6 MPa), Optically Clear
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.

What Is Space Grade?

Discover what it takes to make silicones worthy of the distinction "Space Grade" and the rigorous testing that these materials undergo.

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