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Gasket material

  • US 5,240,766 A
  • Filed: 04/01/1992
  • Issued: 08/31/1993
  • Est. Priority Date: 04/01/1992
  • Status: Expired due to Fees
First Claim
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1. A gasket composition, comprising:

  • a fibrillated or nonfibrillated fiber component, having thermal stability at temperatures at least as high as 200°

    C., and selected from the group consisting of natural fibers, carbon fibers, synthetic fibers and mineral fibers;

    a filler component wherein at least 20 percent by weight of the filler comprises a salt of a multivalent metal cation and a sterically hindered dicarboxylic acid; and

    an elastomeric binder component,the gasket material demonstrating good sealability properties and a thermal stability at temperatures at least as high at 250°

    C.

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