CHARGE FOR SPORTING AND HUNTING PSO 5,56×45 CARTRIDGE Russian patent published in 2012 - IPC C06B35/00 F42B5/16 

FIELD: chemistry.

SUBSTANCE: invention relates to making charges for small arm cartridges. The charge is made from plasticised pellet powder, consisting of nitrocellulose with nitrogen oxide content of 212.5…214 ml NO/g, 10…14 wt %, nitroglycerine, diphenylamine, ethyl acetate and dinitrotoluene, and has packed density of 0.930…0.998 kg/dm³ and particle size 0.315…0.63 mm, where said particles are phlegmatised from the surface of 4.0…6.0 wt % centralite I, graphitised 0.2…0.3 wt % graphite, with moisture content 0.4…0.9 wt % and ethyl acetate 0.3…0.9 wt %, with the following weight ratio of particle fractions, %: 0.63…0.4 mm not less than 75; 0.40…0.315 not more than 20; smaller than 0.315 mm and not larger than 0.16 mm - not more than 5.

EFFECT: stable ballistic characteristics of the powder charge for a new sporting and hunting PSO 5,5x45 cartridge.

1 dwg, 1 tbl