• Two-part, low viscosity clear RTV silicone
  • Designed for enhanced performance in extreme low and high temperatures
  • 10:1 Mix Ratio (Part A:Part B)


  • For applications requiring low outgassing and minimal volatile condensables under extreme operating conditions
  • As an embedding or potting compound for environmental protection of electronic assemblies and components
  • Provides protection from extremes in temperature, humidity, radiation, thermal stress and mechanical stress
  • Low viscosity for applications requiring 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 5,300 cP (5,300 mPa*s)
Lap Shear 200 psi (1.38 MPa)
Durometer 40 Type A
Appearance Clear
Cure 4 hours / 65 °C
Elongation 100 %
Mix Ratio 10:1
Refractive Index 1.43
Specific Gravity 1.04
Tensile 650 psi (4.48 MPa)
Work Time 2 hours
Comment Low / High Temperature,*4 ) Primed Lap Shear 200 psi (4.1 MPa), Optically Clear

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For over 40 years, the NuSil brand has offered a wide range of high-purity silicones. Our team is ready to collaborate with you to provide silicone solutions to satisfy your unique requirements. For additional guidance during your selection process, or to order a sample, contact NuSil today.

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The test data shown for this material is the average value for typical properties. All of these properties may not be tested on a lot to lot basis and cannot be used to draft specifications. Please contact NuSil for assistance and recommendations in establishing limits for product specifications.