• Two-part, pourable, translucent RTV silicone
  • Based on a dimethyl diphenyl silicone copolymer with a broad temperature range
  • 100: 0.5 Mix Ratio (Base: Curing Agent)


  • As a heat shielding material for potting, sealing and bonding applications
  • For ablative coatings in aerospace applications that require a material that pours
  • For applications in extreme temperatures
  • For applications requiring an operating temperature range of -115 to 260°C (-178 to 500°F)

Product Details

Property Average Result
Cure System Alkoxy
Viscosity 9,000 cP (9,000 mPa*s)
Durometer 35 Type A
Appearance Translucent
Cure 7 days / RTV
Elongation 175 %
Mix Ratio 100:0.5
Non Volatile Content 100 %
Operating Temperature -115 °C / 260 °C
Refractive Index 1.43
Specific Gravity 1.08
Tear 20 ppi (3.53 kN/m)
Tensile 500 psi (3.45 MPa)
Work Time 6 hours
Comment Resists breakdown at high temperatures. Translucent and 1 hr. pot life. Not recommended for deep section cures.

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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.