PYROTECHNIC COMPOSITION OF BLACK SMOKE Russian patent published in 2014 - IPC C06D3/00 

FIELD: blasting operations.

SUBSTANCE: pyrotechnic composition of black smoke comprises potassium chlorate as oxidising agent, and the powder of aluminium-magnesium alloy as the metal fuel, one part of which is used per one third and fourth of coal crude anthracene with a content of anthracene oil in the range of 2-5 wt % at the following ratio of components, wt %: potassium chlorate 50-54, the powder of aluminium-magnesium alloy 35-37, coal crude anthracene 11-13.

EFFECT: improving the efficiency of smoke production in creation of additional sound effect when burning of the composition that enables to use the composition in the charges to imitate the detonation of artillery ammunition: shells, mines, grenades, at location shooting.