METHOD OF MANUFACTURE OF FIRE EXTINGUISHING MIXTURE Russian patent published in 1995 - IPC

FIELD: fire fighting. SUBSTANCE: azodicarbonamide is mixed with zinc oxide and carboxylic acid, with zinc oxide-to-carboxylic acid ratio being 1: 1 by mass and their total amount in mixture, from 10 to 30%. Prepared mixture is mixed with fire extinguishing powder in the following ratio: fire-extinguishing powder - 80-97% and mixture of aerodicarbonamide with zinc oxide and carboxylic acid - 3-20%. Mixture is placed in vessel and the latter is soldered up. EFFECT: enlarged operating capabilities. 1 tbl