PELLET POWDER FOR 7,62 mm RIFLE CARTRIDGE Russian patent published in 2013 - IPC C06B25/22 

FIELD: chemistry.

SUBSTANCE: invention relates to production of pellet powder for small arms. The pellet powder for a 7.62 mm rifle cartridge is made from a mixture of 70-80 wt % pyroxyline with nitrogen oxide content of 212.7-214.5 ml NO/g and 20-30 wt % recyclable non-phlegmatised wastes from preceding operations, 10-30 wt % octogene or hexogene with respect to total content of pyroxyline, diphenylamine, graphite, ethyl acetate and moisture; 4.1-6.2 wt % centralite I and 4.1-6.2 wt % dinitrotoluene are phlegmatised from the surface of the powder. The obtained pellet powder has packed density of 0.970-0.995 kg/dm³.

EFFECT: invention increases muzzle velocity of a bullet in a 7,62 mm rifle cartridge if powder pressure in the bore is maintained.

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