Construction boards bonded by organic and/or inorganic cementing

Details Construction boards bonded by organic and/or inorganic cementing Construction boards bonded by organic and/or inorganic cementing

1983-08-22

1986-04-15

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428326, 4285371, 428920, 428921, 106 1505, 524413, B32B 516, B32B 2300, B32B 1900

Patent

active

045827559

ABSTRACT:
A construction board provided with reinforcements such as fibers and bonded together by organic and/or inorganic cementing means such as cement or plastics is made non-combustible by inclusion of additives and without significant degradation of strength to an extent that the combustion class A 2 of DIN (German Industrial Standard) 4102 is observed. Also, and at the same time, the toxicity of the combustion gases is reduced.
The invention provides that the construction board includes from 20 to 70% of manganese dioxide (MnO.sub.2).

REFERENCES:
patent: 1136370 (1915-04-01), Scharwath
patent: 2876153 (1959-03-01), Dorland et al.
patent: 2883352 (1959-04-01), Sorge
patent: 3594339 (1971-07-01), Palaika
patent: 3630822 (1970-09-01), Carmellini

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