PERMISSIBLE EXPLOSIVE Russian patent published in 2004 - IPC

FIELD: coal-mining industry. SUBSTANCE: the invention presents a permissible explosive of 5 class, which may be used in a cartridge form for performance of blasting operations in a coalmining industry in especially dangerous gas and dust conditions. According to the invention the permissible explosive contains nitroesters, ammonium chloride, ammonium nitrate, carbamide, sodium salt of carboxymethyl cellulose or polyacrylamide, wood flour, a collodion cotton or colloxylin, sodium or potassium nitrate, at the corresponding ratio of the components. EFFECT: invention allows to produce a permissible explosive of 5 class with high operational performances and serviceability of 200-240 cm cu. 1 tbl