• A black, one-part, RTV silicone
  • Based on a fluorosilicone polymer
  • 100 mol % fluorosilicone


  • For sealing and bonding applications requiring solvent and/or fuel resistance
  • Bonds aggressively to most surfaces
  • For protecting or bonding hardware components exposed to gasoline or aviation fuels

Product Details

Property Average Result
Cure System Acetoxy
Extrusion Rate 200 g/minute
Lap Shear 285 psi (1.97 MPa)
Durometer 40 Type A
Appearance Black
Cure 72 hours / RTV
Elongation 315 %
Mix Ratio 1 PART
Non Volatile Content 100 %
Specific Gravity 1.41
Tack Free Time 10 minutes
Tear 50 ppi (8.82 kN/m)
Tensile 650 psi (4.48 MPa)
Comment Lap Shear after 7 days *3) 300 psi (2.1 MPa)

Making the right choice for fuel- and solvent-resistant silicones

Learn how high-purity fluorosilicones resist degradation and maintain performance in aviation and defense applications.

Read more

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.