| 摘要 |
<p>A foam concentrate for use in diluted form for fire fighting comprises an aqueous mixture of hydrolysed protein, a fluorinated surfactant with a surface tension of from 19 to 35 mNm-1 at 0.1 %, a second fluorinated surfactant with a surface tension of from 15 to 20 mNm-1 at 0.1 % and a non-fluorinated hydrocarbon surfactant.</p> |
