Perfluoroelastomeric compositions and seals having improved chemical resistance and methods of making the same

  • US 5,461,107 A
  • Filed: 09/14/1994
  • Issued: 10/24/1995
  • Est. Priority Date: 07/14/1993
  • Status: Expired due to Fees
First Claim
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1. A seal for preventing the leakage of a fluid between a first member and a second member and having improved chemical resistance to the fluid and reduced coefficients of friction at a surface of the seal, the seal comprising a mixture of:

  • a perfluoroelastomer anda particulate fluorinated graphite having a composition of (CFx)n where x ranges from about 0.25 to about 1.20 and n is at least about 103.

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