A COMPOSITION USEFUL FOR SAFE BLASTING OF COAL IN UNDERGROUND MINES AND OTHER EXCAVATION WORK AND A PROCESS FOR PREPARING THE SAID COMPOSITION

摘要

Title: A composition useful for safe blasting of coal in underground mines and other excavation works A composition useful for safe blasting of coal in underground mines and other excavation works, which comprises: Oxidizing agent (s) (a) Ammonium nitrate 40.15 to 41.10wt% (b) Calcium nitrate 13.50 to 14.00 wt% Reducing agent (s): (a) Aluminum powder 2.50 to 3.00 wt% (b) Sugar 7.34 to 7.40 wt% (C)Thiourea 0.10 to 0.09 wt% (d)Urea 1.80 to 2.36 wt% (e) Guar gum 0.9 to 1.0 wt% Cooling agent(s): (a) Water 18.45 to 19.00 wt% (b) Sodium chloride 14.01 to 14.50 wt% Cross-linking agent(s) 0.04 to 0.05 wt% Gassing agent(s) 0.04 to 0.05. wt% Stabilizer 0.09 to 0.10 wt%