Oil-in-water explosive composition containing asphalt
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United States of America Patent
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Aug 1, 1989
Grant Date -
N/A
app pub date -
Sep 23, 1988
filing date -
Sep 23, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a method of producing a composition comprising solid particulate ammonium nitrate having improved explosive properties. Explosive compositions comprising particulate ammonium nitrate such as ANFO, which is a mixture of particulate ammonium nitrate and about 6% w/w of a fuel oil which is typically distillate oil, have been known for many years as relatively inexpensive and reliable explosives. Despite the wide acceptance of particulate ammonium nitrate based exposlives in the industry, their use has been limited by their relatively poor performance in wet conditions; in such conditions, explosive power can be seriously reduced, and they can be difficult to detonate.
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