Method for fire extinguishment of hardly extinguishable dangerou

Details Method for fire extinguishment of hardly extinguishable dangerou Method for fire extinguishment of hardly extinguishable dangerou

1988-12-28

1990-04-10

Locker, Howard J.

Compositions

Fire-extinguishing

252 7, 252381, 169 46, 169 47, c09K 2100

Patent

active

049158538

ABSTRACT:
An efficient method for extinguishing fire of various hardly extinguishable materials is proposed. The method comprises sprinkling, over the burning site of the material, a boron oxide powder having a putity relative to the content of B.sub.2 O.sub.3 of at least 90% by weight and containing water in an amount not exceeding 2% by weight, the particles of the powder having a diameter in the range from 5 .mu.m to 1000 .mu.m. The efficiency of fire extinguishment with the boron oxide powder can be further enhanced by blending the boron oxide powder with a variety of inert inorganic powders.

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Navy Technical Disclosure Bulletin, vol. 10, No. 4, Jun. 1985, p. 99, "Method of Extinguishing Large Lithium Metal Fires" R. F. Kubin et al.

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