| 摘要 |
FIELD: fire extinguishing. ^ SUBSTANCE: invention relates to fire-extinguishing composition for extinguishing fires belonging to classes A, B, C, D. Composition is constituted by, wt %: urea 65-70, ammonium silicate 1.2-1.5, ammonium chloride 0.35-0.5, ammonium sulfate 0.15-0.2, sodium bicarbonate 0.25-0.4, sodium sulfate 0.5-0.7, alunite 1.0-1.25, surfactant 1.5-1.8, and water to 100%. ^ EFFECT: increased burning stopping activity independent of extinguishing object quality and reduced consumption of fire-extinguishing composition. |
