Lauan panel with reduced flame spread rating

Details Lauan panel with reduced flame spread rating Lauan panel with reduced flame spread rating

1975-12-08

1978-01-10

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

427258, 427270, 427408, 428151, 428168, 428204, 428207, 428537, 428921, B32B 300, B27K 316

Patent

active

040680312

ABSTRACT:
The flame spread rating of Lauan plywood panels is reduced significantly by incorporating, just prior to application, a quantity of sodium bicarbonate in dry powder form or slurry and a quantity of a saturated aqueous solution of sodium tetraborate, respectively, in the water base filler and the water base basecoat used to finish the surface thereof.

REFERENCES:
patent: 1397858 (1921-11-01), Craig
patent: 1738976 (1929-12-01), Vivas
patent: 1926253 (1933-09-01), Allen
patent: 2357068 (1944-08-01), Barab
patent: 2829067 (1958-04-01), Eastland
patent: 3371058 (1968-02-01), Perrizolo
patent: 3479197 (1969-11-01), Mork
patent: 3560242 (1971-02-01), Urata
patent: 3682673 (1972-08-01), Meyers
Lyons, 1970, The Chemistry & Uses of Fire Retardants, pp. 124-127.

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