Fire resistant gypsum board

Details Fire resistant gypsum board Fire resistant gypsum board

1987-05-04

1988-02-02

Robinson, Ellis P.

Stock material or miscellaneous articles

Composite

106 1505, 106 1811, 428 70, 428426, 428428, 428438, 428454, 428703, 428920, 428921, B32B 1304, C09D 516, B27N 900

Patent

active

047228660

ABSTRACT:
A composition useful as the core of fire resistant gypsum board and comprising a major amount of set calcined gypsum and minor amounts of whisker fibers, glass fibers and clay.

REFERENCES:
patent: 2526066 (1950-10-01), Croce
patent: 2681863 (1954-06-01), Croce et al.
patent: 2744022 (1956-05-01), Croce et al.
patent: 3616173 (1971-10-01), Green et al.
patent: 3822340 (1974-07-01), Eberl et al.
patent: 3839059 (1974-10-01), Rothfelder et al.
patent: 4152408 (1979-05-01), Winslow
patent: 4647486 (1987-03-01), Ali
patent: 4647707 (1987-05-01), Wilson

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