question for a powder

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eric

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I have some pounds of a powder in stock
the only identification I have is a paper whit the writting : IF 80-8O
this powder is very dense
1.9cc give 47.3 grains
vs Bullseye 1.9cc = 16.5 grains
it is very fine and it meter very well.
my question are:

does some body know something about this powder?
who was selling it?
it was used for what. shotgun, handgun?
and if I'm a lucky bastar maybe load data? ( for anything, it will be a start )
I search since around 5 years

thank eric
 
Every time I read one of these "What powder is this?" threads, I am reminded of an anecdote in a gun mag, I think by Mike Ventrino, but maybe not. He tells of a friend coming to him with a blown up original early revolver, either a Colt Peace Maker, or a 1917. Details are blurred, but the lesson is a fresh as today's snow. Buddy asked if his load data was right, had the writer measure some un-fired handloads, they pulled a bullet or two and weighed the charge, and Buddy named the powder in question. All seemed normal, and gun scribe could not help explain the Kaboom.

Buddy lots of money but rather dull, buys another collector/shooter, and torches off one more round from the same batch of handloads. Kaboom. Back to his friendly gun scribe, still no explanation, but ther is suspicion maybe he is really unlucky in double charging, and only shooting the bad ones.

Buddy buys third gun, and using the same load data, carefully assembles a few more rounds, double weighs his charges, re-weighs the loaded cases looking for significant anomalies, and Kaboom. Another piece of history in bits. Finally, in Buddy's p@#sing and moaning about false economy, the gun scribe asks what he means, where upon Buddy says he bought several cans of powder at a gun show for dirt cheap, and it must have gone "off."

A closer examination of the powder reveals that it shares no resemblance to whatever powder was on the label, and it was apparent that the gun show vendor has simply refilled a bunch of slower handgun powder cans with some much faster bulk powder. Moral? Buy new, in reliable retail outlet. Use old, second hand, or unknown powders for lawn fertilizer!
 
Two pounds of a powder labelled 4197 blew about 1 in 5 primers. Switched to IMR 4198 and never saw another blown primer.
My wife had the nicest dahlias that year with about one pound per 12 square feet . . .
 
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