Cap-sensitive powdered explosive composition

Details Cap-sensitive powdered explosive composition Cap-sensitive powdered explosive composition

C - Chemistry, Metallurgy

06

B

52/14

C06B 45/02 (2006.01) C06B 47/00 (2006.01)

Patent

CA 1156468

Abstract of the Disclosure A cap-sensitive explosive composition in powder form contains, in addition to ammonium nitrate as its single oxygen releasing component, and optional components commonly used in explosive compositions, four components within specific weight ranges, calculated on the explosive composition: (a) 3 to 8 % of a combustible liquid consisting of one or more completely water soluble components, having a boiling temperature of above 120°C, and being capable of dissolving ammonium nitrate in amounts of between 20 grams and 100 grams per 100 grams of the weight of said liquid without reacting chemically with ammonium nitrate; (b) 0.5 to 2.5 % of a water blocking agent consisting of a high molecular weight polysaccharide having the property of imparting high viscosity to an aqueous, saturated ammonium nitrate solution; (c) 0.5 to 3 % of a water-insoluble wax or waxy substance in finely pulverized form; (d) 1 to 6 % of an aluminium powder the particles of which are in flake form and which have a specific surface of at least 5000 cm2 per gram.

352703

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