| 摘要 |
<p>An improved aqueous film-forming foamable concentrate which is particularly useful for extinguishing flammable liquid fires. The preferred formulation contains (a) fluoroaliphatic amphoteric surfactant, preferably a fluorinated aminocarboxylate having a C4 to C10 perfluoroaliphatic group, (b) fluoroaliphatic anionic surfactant, preferably a C4 to C10 perfluoroalkane sulfonate, and (c) short chain (C6 to C10) alkyl ether sulfate hydrocarbon surfactant.</p> |
