• Two-part, thixotropic, red 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
  • As a sealing, caulking, adhesive or potting material in electronic and space applications where high vacuum environments are encountered
  • For bonding solar cells to solar array panels
  • For applications requiring a broader operating temperature range

Product Details

Property Average Result
Cure System Alkoxy
Lap Shear 625 psi (4.31 MPa)
Durometer 55 Type A
Appearance Red
Cure 7 days / RTV
Elongation 140 %
Mix Ratio 100:0.5
Specific Gravity 1.5
Tear 40 ppi (7.05 kN/m)
Tensile 900 psi (6.21 MPa)
Work Time 2 hours
Comment *2) Primed Lap Shear 625 psi (4.3 MPa)

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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.