• A stiff methyl silicone grease
  • Typical vapor pressure of 10-8 torr


  • For extreme high vacuum and pressure systems
  • Specific applications include: glass and ceramic stopcocks, ground glass joints, high temperature gaskets, valves, seals and O-rings

Product Details

Property Average Result
Viscosity 980,100 cP (980,100 mPa*s)
Specific Gravity 1.11
Volatile Content 0.3 %
Appearance Gray
Extrusion Rate 53 g/minute
Operating Temperature -40 °C / 230 °C
Comment A stiff methyl grease used lubricating . 0.3% Weight loss. For high vacuum and pressure systems.

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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.