High purity, high temperature pipe thread sealant paste

Details High purity, high temperature pipe thread sealant paste High purity, high temperature pipe thread sealant paste

1988-04-29

1989-10-10

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Hydrocarbon containing

285355, 252510, C09D 300

Patent

active

048729140

ABSTRACT:
A pipe thread sealant paste composition comprising from about 30 to about 80 percent by weight of natural flake graphite particles of a size sufficient to pass through a 100 Tyler mesh sieve and a liquid carrier comprising a mixture of mineral oil and petrolatum, the paste composition preferably having a total ash content of no greater than about 1 percent by weight and containing leachable chlorides in amounts equal to or less than about 50 parts per million. The invention also relates to a method for preparing and applying the pipe thread sealant paste to pipe joints.

REFERENCES:
patent: 1594810 (1926-08-01), Benner
patent: 1636976 (1927-07-01), Adler
patent: 2270199 (1942-01-01), Thurne
patent: 3242075 (1966-03-01), Hunter
patent: 3404061 (1968-10-01), Shane et al.
patent: 3928214 (1975-12-01), Naka et al.
patent: 4162078 (1979-07-01), Cox
patent: 4505847 (1985-03-01), Jackson
patent: 4585578 (1986-04-01), Yonahara

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