COMPOSITION FOR COOLING AND SIMULTANEOUSLY FILTERING FIRE- EXTINGUISHING GAS/AIR SOL MIXTURE Russian patent published in 2005 - IPC

FIELD: fire extinguishing.

SUBSTANCE: composition comprises heat-absorbing filler(s): basic magnesium carbonate and/or group I and II metal carbonates; oxidant: potassium nitrate and/or perchlorate; process additives: graphite, sodium or calcium stearate, or their mixture. In addition, composition includes interaction binder: potassium chloride, alkali metal silicate of general formula Me₂O·mSiO₂, wherein Me is potassium or sodium and m silica module equal to 2.1-3.8, or their mixture, and sorbent. All components are used in specified proportions.

EFFECT: increased efficiency of gas/air sol mixture cooling and fire extinguishing, increased strength of tablets and granules made from composition, and improved environmental safety of fire-extinguishing mixture.

2 cl, 1 tbl, 2 ex