EMULSION EXPLOSIVE COMPOSITION Russian patent published in 1997 - IPC

FIELD: explosives. SUBSTANCE: composition designed for fulfilling shotfiring on surface and in mines not hazardous with regard to gas and dust contains, wt. -%: calcium nitrate, 8-20; water, 8-20; industrial oil, 2-4; petrolatum, 2-4; liquid emulsifier, 2-4; aluminium, 2-15; particles with air inclusions, 3-12; ammonium nitrate, the balance. As particles with air inclusions, perlite sand with bulk density 50-150 kg/cu.m and particle size less than 700 mcm or phenolformaldehyde microspheres with bulk density 50-150 kg/cu. m and particle size less than 500 mcm in quantity 3-7% can be used. Suitable also are glass microspheres with bulk density 70-200 kg/cu.m and particle size less than 300 mcm in quantity 4-8% or silicate microspheres from heat and power station ash waste with bulk density 200-300 kg/cu.m and particle size less than 300 mcm in quantity 8-12%. EFFECT: enlarged resource of materials for explosives. 4 cl, 2 tbl