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adhesives/sealants advancedengineering space





  • Two-part, red, low specific gravity, RTV silicone
  • 1:1 Mix Ratio (Part A: Part B)


  • For applications requiring low outgassing and minimal volatile condensables under extreme operating conditions to avoid condensation in sensitive devices
  • Use a bonding, sealing, or potting material in electronic and space applications
  • Provides radiation resistance, low thermal conductivity, oxidation stability, thermal stability and good ablative characteristics
  • Especially useful to bond solar cells to solar array panels
  • For applications requiring a broader operating temperature range

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
Durometer 40 Type A
Lap Shear 175 psi
Viscosity 102,500 cP
Cure System Platinum
Appearance A: Red / B: White
Cte 245 ppm/C
Cure 30 minutes / 150 C
Dielectric Strength 860 volts/mil
Elongation 170 %
Mix Ratio 1:1
Specific Gravity 0.76
Tack Free Time 7 hours
Tensile 235 psi
Work Time 3 hours
Comment Fast Cure, Low Density*,4 )Primed Lap Shear 175 psi (1.2 MPa)
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.