Fire resistant plywood

Details Fire resistant plywood Fire resistant plywood

1976-10-04

1978-08-29

McCamish, Marion E.

Stock material or miscellaneous articles

Composite

Of aldehyde or ketone condensation product

252 81, 428529, 428538, 428921, B32B 2108, B32B 2742

Patent

active

041105133

ABSTRACT:
A plywood body is disclosed which comprises at least two plies of wood bonded together with a phenolic resin adhesive having platey talc incorporated therethrough in amounts of about 5 to 200 parts by weight per 100 parts by weight of resin. Such plywood bodies (particularly boards) have significantly greater fire resistance than do plywood bodies containing conventional phenolic adhesives.

REFERENCES:
patent: 2217265 (1940-10-01), Cislak
patent: 3369056 (1968-02-01), Schwartz

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