P. R. P. Powder

You're going to have to be more specific.

Google doesn't show anything other than Polyporpyline derivatives for other uses than propellants.
 
Do you have a picture of the container? Does it list a manufacturer? Is that the manufacturer?
 
alca said:
Bearhunter, where can i find a chart to reload 9 mm and 45 acp ?
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Just about any powder manufacturers website, or Google Powder burn rate chart.

I did this and couldn't find anything that would help.

The only reference I could find to your powder was Hodgdon's Pyrodex.

You're asking people to tell you what powder you have, without pics and a very brief description. Most folks won't take a chance on that. I certainly won't.

How do you even know the bag and label are original to your powder???

I have seen people who bought bulk surplus powder put that powder into everything from jam jars and peanut butter cans.

Usually without marking it at all. I still cringe at the guy that brought a half dozen old "bread bags" for three different kinds of powder and thought he was being prudent because he "double bagged"

Funny thing was, he passed away about six months ago and he still had that powder, untouched for close to 20 years, in the same bread bags on a shelf in his basement. Nothing on any of them to indicate what was in them.

Luckily, I knew what they were, because I still have some at home and one of them had gone bad, OEM4350. Still, I threw out all fifteen pounds. Bread bags are porous and these were no exception.
 
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