Any data for Dupont "Bulk Shotshell Powder"

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I've got several pounds of Dupont Bulk Shotshell powder in a trade.
Has anyone ever come across 12 or 20 gauge data for this?
 
Dupont powder is getting up there in age if you have a powder number some one should be able to come up with some load data
it might be easier than you think

if there is no number i would not use it
 
Dupont powder is getting up there in age if you have a powder number some one should be able to come up with some load data
it might be easier than you think

if there is no number i would not use it

There is no number - it is "Bulk" and that is a specific type of Dupont powder.
The really old timers tell me it was a volume substitute for Black powder but I want to confirm that.
 

OK, DuPont Bulk Shotgun Powder was introduced in 1893 and was still in production in 1948. It isn't a true bulk for bulk powder, but it's close to it. It's very hygroscopic, as the bulk powders tended to be. The appearance is sorta egg shaped, but the granules are irregular in size. The bulk powders were noted for being friable, which produces a lot of dust. The dust should be removed prior to use, since the burning rate is affected by the dust.

Bulk powder is a form, not just because it can be loaded bulk for bulk, with some being shotgun powders and others being SR #1 through SR #80. There aren't any bulk powders still in production, with all being dense powders now.

Most of this information was distilled from page 159 of the Sharpe manual.

Thank you,

I've got a copy of the Sharpe manual and I will start from there.
 
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