• Two-part, gray, thermally conductive silicone with high strength
  • Cure may be heat accelerated
  • 20:1 Mix Ratio
  • (Part A:Part B)


  • To provide heat transfer between electrical/electronic components and their heat sinks
  • Use to adhere integrated circuit substrates, base plates and heat sinks or where grooves or other configurations require a non-flowable to limited flow material

Product Details

Property Average Result
Thermal Conductivity 0.84 W/(mK)
Cure System Platinum
Tensile 700 psi (4.83 MPa)
Appearance Gray
Cure 30 minutes / 150 °C
Dielectric Strength 450 volts/mil (17.55 kV/mm)
Durometer 90 Type A
Elongation 35 %
Mix Ratio 20:1
Specific Gravity 2.41
Tack Free Time 24 hours
Tear 65 ppi (11.46 kN/m)
Work Time 5 hours
Comment Smooth Paste;0.8 W/mK, 5 hr. pot life.

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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.