Carbon & Graphite Gaskets
     
Carbon Fiber and Graphite Flake sheets are able to withstand significantly more aggressive chemical environments (other than powerful oxidizing environments) and higher pressures than standard non-asbestos gasket materials. Metal inserted materials are able to operate at even higher pressures. In reducing environments, pure graphite can handle up to 5000F. 
     
     
S P Eng. carries Garlock, Thermoseal and Graphoil brands of carbon and graphite based gasket materials. These materials are available in thicknesses 1/32" through 1/4".
     
Cost effective high temperature / pressure material.
     
Graphite gasketing materials are made from pure exfoliated exhibiting excellent sealing characteristics, withstanding a high range of temperatures pressures and chemicals. The homogeneous material is free of respirable fibers, binders and additives. Standard grades are 95% - 98% pure graphite sheet. Graphite is extremely conformable giving it the ability to flow into flange surface imperfections. Its low permeability and chemical resistance make it an ideal choice as a sealing material. Mercer offers a wide range of Graphite with various core materials such as tanged stainless of Foil stainless steel reinforcement.
     
Material Max T 
(F)
Max P 
(psi)
Creep Rel'n 
(%)
Applications/Features
Carbon or Graphite/Nitrile 840 1900 20 Excellent for steam. Excellent chemical resistance except powerful oxidizing agents.
Carbon or Graphite/SBR 900 2000 14 Excellent for steam. Excellent chemical resistance except powerful oxidizing agents.
Pure Flexible Graphite 950 2100 5 Excellent chemical resistance except powerful oxidizing agents. Available laminated or homogeneous.
Pure Flexible Graphite - Metal Inserted 950 2800 7 Excellent chemical resistance except powerful oxidizing agents. Available with 316 SS Foil, Mesh or Tang Core. Available laminated or homogeneous.
     
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