• Two-part, white, thermally conductive silicone gel
  • Cures with the addition of heat
  • 20:1 Mix Ratio (Part A:B)


  • For applications requiring low outgassing and minimal volatile condensables under extreme operating conditions to avoid condensation in sensitive devices
  • To provide heat transfer between electrical/electronic components and their heat sinks
  • Use to adhere integrated circuit substrates, base plates, heat sinks or where grooves or other configurations require a non-flowable to limited flow material
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
Thermal Conductivity 0.95 W/(mK)
Extrusion Rate 122 g/minute
Cure System Platinum
Appearance White
Cure 72 hours / 25 °C
Durometer 36 Type 00
Lap Shear 27 psi (0.19 MPa)
Specific Gravity 1.3
Tack Free Time 16.5 hours
Volatile Content 0.01 %
Work Time 5.5 hours
Comment Gel, soft and compliant

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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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.