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


  • For potting, sealing and bonding applications
  • For thermal insulating as a firewall sealant or as an ablative coating in missile, rockets, aircraft and launch equipment
  • For applications in extreme temperatures
  • For applications requiring an operating temperature range of –115°C to 260°C (-175°F to 500°F)

Product Details

Property Average Result
Cure System Alkoxy
Viscosity 31,000 cP (31,000 mPa*s)
Lap Shear 385 psi (2.66 MPa)
Durometer 55 Type A
Appearance Red
Cure 7 days / RTV
Elongation 125 %
Mix Ratio 100:0.5
Non Volatile Content 100 %
Operating Temperature -115 °C / 260 °C
Specific Gravity 1.41
Tack Free Time 2 hours
Tensile 700 psi (4.83 MPa)
Work Time 1 minutes
Comment Resists breakdown at high temperatures. Red and 1 hr. pot life. Not recommended for deep section cures.

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The NuSil® line of optoelectronic silicones enable device manufacturers from smart phones to stadium screens and everything in between to create next-generation displays that are sharper, brighter and more rugged.

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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.