• Two-part, black, 50 mole % fluorosilicone elastomer
  • Cures at room temperature or rapidly with heat
  • 1:1 Mix Ratio (Part A: B)


  • For applications requiring solvent resistance
  • For molding parts such as O-rings, stoppers, and seals

Product Details

Property Average Result
Cure System Platinum
Extrusion Rate 117 g/minute
Lap Shear 350 psi (2.41 MPa)
Durometer 35 Type A
Appearance Black
Cure 48 hours / RTV
Elongation 265 %
Mix Ratio 1:1
Operating Temperature -65 °C / 240 °C
Specific Gravity 1.28
Tensile 600 psi (4.14 MPa)
Work Time 1 hours
Comment Fuel Resistance

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.