AQUEOUS FILM-FORMING FOAM FIRE EXTINGUISHER

摘要

ABSTRACTA shaped body or an aggregation of a pluralityof shaped bodies, e.g. pellets, comprising a solid,coalesced mixture of water soluble fluoroaliphaticsurfactant and water soluble fluorine-free surfactantis contacted with a flowing stream of a predeterminedamount of water, e.g., from the tank of a hand portablefire extinguisher, to produce an aqueous film-formingfoam solution of relatively constant composition whichcan be applied to extinguish a fire or a flammable liquid.