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adhesives/sealants advancedengineering space





  • Two-part, flowable, white RTV silicone
  • 100:0.5 Mix Ratio (Base:Curing Agent)


  • For applications requiring low outgassing and minimal volatile condensables under extreme operating conditions to avoid condensation in sensitive devices
  • Use a sealing, caulking, adhesive or potting material in electronic and space applications where high vacuum environments are encountered
  • 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 45 Type A
Viscosity 45,000 cP
Cure System Alkoxy
Appearance White
Cure 7 days / RTV
Elongation 200 %
Mix Ratio 100:0.5
Specific Gravity 1.19
Tack Free Time 9 hours
Tensile 600 psi
Work Time 4 hours
Comment Low / High Temperature, Flowable
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.