Making a reduced volume strength blasting composition
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United States of America Patent
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Dec 21, 1993
Issued Date -
N/A
app pub date -
Nov 27, 1991
filing date -
Feb 22, 1988
priority date (Note) -
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Importance
Abstract
A blasting composition of reduced volume strength relative to straight ammonium nitrate/fuel oil (ANFO) compositions, containing particulate oxidizer salt, particulate inert and/or density reducing filler and optionally a fuel for modifying the oxygen balance. The composition contains a viscous water-in-oil type emulsion, having a continuous fuel phase and a discontinuous aqueous phase of oxidizing salts, in an amount sufficient for improving adherence between the particulate oxidizer salt and the particulate filler, but insufficient for filling out the interstices between the particulate oxidizer salt and the particulate filler.
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