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Old September 17, 2008, 04:37 PM   #1
newReloader
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Blank Powder

Hello!

I was wondering what powders are used to make blanks? I always assumed that it was the same that are used for normal rounds, but I was reading something the other day that was saying really really fast burning powder is used to get more of a boom. Is that true?

Thanks
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Old September 17, 2008, 04:41 PM   #2
Jim Watson
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That is true.

At one time there were dedicated blank powders, the EC Blank Fire most common in .30-06. I have seen a mil-spec showing 700X shotshell powder used in .223 blanks. Black powder is good for noise, smoke, and flash, but messy to work with. I think that movie prop departments have some choice in pyrotecnic powders for control of bang and flash.
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Old September 17, 2008, 04:44 PM   #3
newReloader
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Cool, thanks for the fast reply/

So for the home reloaded who wanted to do blanks, a fast powder like 700X or black powder is the preferred route?

(Never seen "EC blank fire" in a shop)
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Old September 17, 2008, 05:43 PM   #4
Jim Watson
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You will never see EC blank powder in a shop. Mainly because it is probably out of production, but also because if it were sold retail some nut would seat a bullet over it and blow up a gun. That HAS happened with surplus.

I do not know of load data for blanks, sorry.
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Old September 17, 2008, 08:39 PM   #5
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Unique works good as it does not need a filler to keep it against the primer to get good ignition. I use 15 grs of it on my 7.62x39mm rifle grenade launching rounds. It'll launch a one pound object a good 175 yards away.
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Old September 17, 2008, 11:44 PM   #6
Mike Irwin
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EC was made by Hercules and has been out of production for at least 40 years.

NO amount of EC was safe behind a bullet of any weight.

EC was so fast burning (more explosive than the standard designation for smokeless powder of flammable solid) that it was used as an explosive filler in hand grenades during WW II and possibly Korea.
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