Emulsion-containing explosive compositions

Details Emulsion-containing explosive compositions Emulsion-containing explosive compositions

C - Chemistry, Metallurgy

06

B

52/49

C06B 47/14 (2006.01) C06B 47/00 (2006.01)

Patent

CA 1259492

TITLE Emulsion-Containing Explosive Compositions ABSTRACT OF THE DISCLOSURE In emulsion blend explosives, the replacement of coarse salt particles, e.g., prills, by fines, i.e., particles which pass a No. 50 U.S. sieve, increases the water resistance of the explosive without deleteriously affecting its shelf life provided that the explosive, prior to such replacement, is storage-stable as determined by the Salt Extraction and lead compression tests described herein. Products containing a combination of whole and crushed ammonium nitrate prills, and emulsions made with an anionic emulsifying agent such as a fatty acid salt, are preferred. Depending on the fines content and chemical compostion, other properties such as sensitivity to initiation and detonation velocity also may be improved.

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