BLENDED EXPLOSIVE MATERIAL (OPTIONS) Russian patent published in 2003 - IPC

FIELD: explosives. SUBSTANCE: invention relates to compositions of industrial blended explosive materials used in blasting operations in open-pit mines, sand-pits, underground mines, and coal mines involving manual or mechanized charging of blast-holes. Material contains granulated trotyl with granule size no larger than 5 mm in amount no more than 96% and with granule size from 1.2 to 3.2 mm at least 80%, and granulated ammonium nitrate. Alternative composition: granulated trotyl with granule size from 1.2 to 5 mm at least 96%, up to 3.2 mm at least 80%, granulated ammonium nitrate, and antistatic. EFFECT: improved characteristics for pneumatic transportation. 5 cl, 2 tbl