Asbestos-free sheet material for spiral-wound gaskets

Details Asbestos-free sheet material for spiral-wound gaskets Asbestos-free sheet material for spiral-wound gaskets

1983-11-10

1985-07-16

Schofer, Joseph L.

Stock material or miscellaneous articles

Composite

Of silicon containing

428454, 428463, 428464, 524 35, 524447, 524449, 524443, 277227, 277DIG6, 162142, 162156, 1621641, 1621817, 1621818, 1621819, B32B 906, B32B 1504, B65D 5300

Patent

active

045296626

ABSTRACT:
Non-asbestos flexible sheet material suitable for use in the manufacture of spiral wound gaskets is made by dewatering on a water-permeable conveyor a layer of aqueous slurry and compressing and drying the dewatered layer, the aqueous slurry employed being one that contains the following ingredients in the following proportions by dry weight:

REFERENCES:
patent: 4317575 (1982-03-01), Cavicchio
patent: 4364982 (1982-12-01), Gee
patent: 4443517 (1984-04-01), Shah
Chem. Abstracts, 93: 73257u, (1980), p. 73259; Tracy et al.

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