Graphite fibers with a nitrile binder

Style 9900 gasket is composed of graphite fibers with a nitrile binder, allowing it to withstand extreme conditions. This high temperature gasket has passed Garlock® fire tests and is ABS Fire Safe Type Approved.


  • Withstands extreme temperatures and pressures, as well as many chemicals
  • Passed Garlock® Fire tests, and is ABS Fire-Safe Type Approved
  • Long-lasting seal


  • Available in sheet or cut gasket form
  • Min. Temperature:        -100°F      /      -73°C
  • Max. Temperature:        1000°F    /        537°C
  • Continuous Max:        650°F        /    343°C
  • Max. Pressure:        2,000 PSI      /      138 bar
  • Maximum PxT 1/16:    700,000 (°F x PSIG)  /  25,000 (°C x bar)
  • Maximum PxT 1/8:        350,000 (°F x PSIG) /   12,000 (°C x bar)


  • Ideal for standard ANSI flanged connectors, as well as turbine crossover piping connectors
  • Power generation
  • Chemical processing
  • Hydrocarbon processing
  • Other industries


  • Steam*
  • Oil
  • Grease
  • Water

*Minimum recommended assembly stress = 4,800psi. Preferred assembly stress = 6,000-10,000psi. Gasket thickness of 1/16" strongly preferred. Retorque the bolts/studs prior to pressurizing the assembly. For saturated steam above 150psig, consult Garlock® Engineering.

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