Gypsum board comprisiing linings made of glass fiber non-wovens

Details Gypsum board comprisiing linings made of glass fiber non-wovens Gypsum board comprisiing linings made of glass fiber non-wovens

1990-07-20

1995-03-07

Withers, James D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428284, 428285, 428288, 428703, B32B 516, B32B 1500, B32B 1300

Patent

active

053956850

ABSTRACT:
A gypsum board comprises linings made of coated non-woven fiberglass mats having surfaces turned away from the gypsum core of the fiberglass mats which have been coated with an inorganic binder at least partially set with water. Preferably, quick-setting mixtures comprising cement, .alpha.-hemihydrate and ultra-fine silica are used which are dimensionally stable during setting as well as later on.

REFERENCES:
patent: 4494990 (1985-01-01), Harris

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