| CPC A62D 1/0071 (2013.01) [A62C 99/0036 (2013.01); A62D 1/0042 (2013.01)] | 9 Claims |
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1. A firefighting foam concentrate comprising:
about 10 wt % to 25 wt % of a sugar component comprising a monosaccharide sugar, a sugar alcohol, or a mixture of any two or more thereof;
about 5 to 10 wt. % of an anionic surfactant comprising octyl sulfate salt, decyl sulfate salt, lauryl sulfate salt, or a mixture of any two or more thereof;
about 2 to 7 wt. % of a zwitterionic surfactant comprising cocamidopropyl hydroxysultaine;
about 2 to 10 wt. % of a water-miscible solvent mixture comprising diethylene glycol monobutyl ether;
a magnesium salt;
at least about 50 wt. % water; and
a suspension agent comprising:
microfibrillated cellulose; and
an oligosaccharide, a polysaccharide, or a mixture of any two or more thereof;
wherein the suspension agent is at least partially insoluble in the firefighting foam concentrate such that at least a portion of the suspension agent is dispersed in the firefighting foam concentrate, and
wherein the firefighting foam concentrate is substantially free of fluorinated compounds.
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