| 摘要 |
fire extinguishing. SUBSTANCE: frostresistant fire-extinguishing composition contains, wt %: potassium acetate 40- 45, sodium silicate 0.05-0.2, sodium tetraborate 0.1-0.5, mercaptoglycerol 0.02-0.2, and desalted water - the rest. EFFECT: reduced corrosion rate for steel, aluminum-based alloys, copper, and copper-based alloys. 1 tbl
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