Precompression resistant emulsion explosive
AssigneeICI Explosives USA Inc.
InventorsJohn J. Mullay, Jane M. Farkas, Cathy J. McGinley
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Abstract
An emulsion explosive composition having improved resistance to precompression desensitization comprising an emulsion explosive matrix and a high level of a low strength microspheres. Preferably, the microspheres having a crush strength of between 100 and 400 psi, and are present in at least 4% by weight of the formulation. Accordingly, the present invention allows the use of a more standard (and usually less expensive) microspheres in the production of a precompression desensitization-resistant emulsion explosive. Further, the emulsion explosives of the present invention would permit emulsion explosives, in general, to be utilized in a wider range of applications.
Claims7
An emulsion explosive consisting of a density of less than 0.95 g/cc comprising an emulsion explosive matrix and at least 4% by weight of low strength microspheres wherein said microspheres consist essentially of microspheres with a crushing strength of less than 400 psi.
Dependencies are inferred from the claim text.