Liquid sealing gasket sheet materials

Details Liquid sealing gasket sheet materials Liquid sealing gasket sheet materials

1995-05-22

1996-07-16

Raimund, Christopher W.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428288, B32B 516

Patent

active

055365655

ABSTRACT:
Fluid-sealing gasket sheet materials are described herein which seal particularly well against polar liquids. These gasketing sheets have from about 5 to about 20% fiber, and at least about 62% filler, and a reduced binder concentration, containg about 18% by weight of binder or less, allowing the binder to be reduced even to zero. The filler must be at least about 3% by weight of a gel-forming mineral filler. In addition to giving from good to very excellent seals against polar liquids, this gasketing also has good torque retention and creep resistance.

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patent: 4629199 (1986-12-01), Yamamoto et al.
patent: 4762643 (1988-08-01), Bohrn et al.
patent: 5106790 (1992-04-01), Hashimoto et al.
patent: 5110413 (1992-05-01), Steer

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