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Old October 11, 2008, 06:41 PM   #22
mykeal
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Join Date: October 8, 2006
Location: Northern Michigan
Posts: 2,755
'Real' black powder ignites at a lower temperature than any of the synthetic, or substitute, powders, and is thus somewhat easier to ignite. It is classified as a Class E explosive by BATFE, while the synthetic powders are classified as 'propellants'. Many states regulate the purchase, possession and storage of Class E explosives as that classification includes explosives used in mining and construction work.
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