Flame retardant asphalt composition
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United States of America Patent
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-
Feb 14, 1989
Grant Date -
N/A
app pub date -
Mar 25, 1988
filing date -
Mar 25, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed is a fire retardant asphalt composition. The composition comprises: (a) about 40-60% wt asphalt; (b) about 1-20% wt thermoplastic; (c) about 30-40% wt flame retarding agent; and (d) the flame retarding agent comprises: (i) about 65-80% weight monoammonium phosphate, (ii) about 5-15% weight ammonium sulfate; and (iii) about 1% weight silicone polymer. Variations of this composition have passed the UL 790 test for Class A flame retardant materials.
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Cited Art Landscape
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