MULTIPURPOSE FIRE-EXTINGUISHING POWDER Russian patent published in 2000 - IPC

FIELD: fire-extinguishing compounds. SUBSTANCE: multipurpose fire-extinguishing powder includes components with the following amounts, wt%: ammonium sulfate 5-50; highly dispersed hydrophobic silicon dioxide 1-3; dispersed aluminosilicate addition 2-10; graphite 1-5; the balance, ammophos. Aluminosilicate addition is used in form of, at least, one of the following materials: phlogopite, muscovite, clinoptilotite, industrial dust. Graphite is used in form of wastes of electrocarbon and by-product coke production with moisture content of not in excess of 0.5%, or expanded graphite with expansion degree of 100-150. EFFECT: extended assortment of fire-extinguishing means, efficient in fire extinguishing in electrical plants. 5 cl, 1 tbl