FIELD: blasting operations.
SUBSTANCE: invention relates to industrial explosive materials (indEM) used in explosive works on sections, open pits when charging wells and chambers in all climatic zones with temperature from minus 50 to plus 50 °C in the rocks and ores of any composition. IndEM contains, wt%: flake or granulated trinitrotoluene - 4.0-35.5, coal powder with particle size of more than 90 mcm in amount of not more than 20 wt% with moisture content of not more than 3.5 wt% - 0.9-5.1, liquid oil product - 0.9-4.1 and granulated ammonium nitrate - the balance up to 100.
EFFECT: industrial explosive material preserves friability when storing more than 10 months.
1 cl, 1 tbl
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Authors
Dates
2016-11-20—Published
2015-07-22—Filed