D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
117/33, 9/65
D21F 11/00 (2006.01) C08K 3/00 (2006.01) C08L 3/00 (2006.01) C08L 97/02 (2006.01) C09K 21/02 (2006.01)
Patent
CA 1081910
ABSTRACT OF THE DISCLOSURE The ASTM E84 flamespread of fibrous products such as hardboard is reduced by incorporation of a com- bination of alumina trihydrate and a source of B2O3, such as boric acid. The B2O3 source should be capable of pro- viding B2O3 at a temperature below 400°C.
255190
Fischer Craig A.
Moore Gregory R.
Masonite Corporation
Smart & Biggar
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