FIELD: explosive works in bottom hole of coal mines. SUBSTANCE: composition has, wt. -% trotyl 15-22; sodium chloride 5-18; phosphogypsum 3-15, and ammonium nitrate the rest. Composition is prepared in ball mill by technology used in production of safety ammonites. Ignitable is 1.21-1.74 g, critical diameter (at density 1,7 g/cm3) is 19-24 mm. EFFECT: increased effectiveness of composition. 2 tbl
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Authors
Dates
1995-10-10—Published
1992-09-24—Filed