COMBINED FIRE-EXTINGUISHING COMPOSITION AND METHOD OF PREPARATION

FIELD: fire-fighting, particularly fire-extinguishing compositions. ^ SUBSTANCE: fire-extinguishing composition comprises heptaflouropropane used as retarder and taken in amount of 95-99.5% by weight and potassium formate used as fire inhibitor and taken in amount of 0.5-5.0% by weight. Method of ab...

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Bibliographische Detailangaben
Hauptverfasser:	BARATOV A.N, RODIN A.A, ZAKHAROV V.JU, TIMOFEEV E.V, REBRISTAJA O.P
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING
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Beschreibung
Zusammenfassung:	FIELD: fire-fighting, particularly fire-extinguishing compositions. ^ SUBSTANCE: fire-extinguishing composition comprises heptaflouropropane used as retarder and taken in amount of 95-99.5% by weight and potassium formate used as fire inhibitor and taken in amount of 0.5-5.0% by weight. Method of above fire-extinguishing composition preparation involves supplying gaseous heptaflouropropane under pressure of not less than 3 MPa or gaseous heptaflouropropane cooled up to -17°C or to lower temperature in tank filled with potassium formate. The tank is installed on swinging device. Heptaflouropropane is supplied so that predetermined quantitative component ratio is maintained. ^ EFFECT: increased fire-fighting ability, reduced toxicity and cost of the composition. ^ 2 cl, 1 tbl