Water-in-oil emulsion explosive composition
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United States of America Patent
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-
Nov 19, 1985
Grant Date -
N/A
app pub date -
Aug 28, 1984
filing date -
Sep 5, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A water-in-oil emulsion explosive composition containing hollow microspheres obtained by firing volcanic ash and having a bulk density of 0.05-0.1 and an average particle size of 10-100 .mu.m has improved explosion performance and safety over water-in-oil emulsion explosive composition containing conventional hollow microspheres.
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