Class D fire extinguishing

Details Class D fire extinguishing Class D fire extinguishing

1988-03-14

1990-02-27

Locker, Howard J.

Compositions

Fire-extinguishing

252 4, 252 6, 252 7, 252355, 169 46, 169 47, A62D 100, A62C 100, A62C 300

Patent

active

049043986

ABSTRACT:
A Class D (combustible metals) firefighting agent comprises a detergent mixture, and sodium chloride (about 4.5-12%), although vitamin B-6 and bicarbonate soda may be present. The detergent mixture comprises an alkylbenzolyate sulfonate, non-ionic detergent and lauric superamide, preferably comprising, by volume: about 26-33% linear alkylbenzene sulfonate, about 4.5-6% isoctylphenyl polyethoxyethanol, about 0.25-3% polyoxyethylene sorbitan monooleate, about 4.5-6% lauric diethanolamide, about 0.25-2% monoethanolamide superamides, and water. Burning titanium, uranium, magnesium, zerconium, or any other type of combustible metal fire, can be extinguished by applying the liquid formulation directly to the fire using conventional firefighting equipment.

REFERENCES:
patent: 3531407 (1970-09-01), Philips et al.
patent: 3565801 (1971-02-01), Birchall et al.
patent: 3637022 (1972-01-01), Kelly et al.
patent: 4248733 (1981-02-01), States, Sr.
patent: 4636325 (1987-01-01), Greene
patent: 4725370 (1988-02-01), Greene
Hawley G. 1981, The Condensed Chemical Dictionary-10th edition, Van Nostrand Reinhold, Co., New York, pp. 32-33.

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