Flame-resistant plaster board and its manufacture

Details Flame-resistant plaster board and its manufacture Flame-resistant plaster board and its manufacture

1976-02-04

1977-12-20

McCamish, Marion E.

Stock material or miscellaneous articles

Composite

Of carbohydrate

252 81, 428539, B32B 904

Patent

active

040643174

ABSTRACT:
A flame-resistant plaster board characterized in that the board paper constituting the outside of the plaster board contains at least one alkali compound selected from the group consisting of hydroxides and salts of alkali metals and alkaline earth metals which easily decompose or melt on heating. Said flame-resistant plaster board is improved in that the generation of smoke on heating is inhibited without reduction of the mechanical strength.

REFERENCES:
patent: 3973074 (1976-08-01), de Lissa

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