The Accurate Reloading Forums
Powder storage

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14 June 2021, 00:29
kaprota
Powder storage
Has anyone heard of spontaneous combustion for powder storage?

If so -- then will mid ninety temps and high humidity accelerate the reaction.

What is the optimal temp for storage.

How about older powders - will they react more quickly.


Thanks for the advice, Kaprota
14 June 2021, 00:36
B L O'Connor
It's worth looking at SAAMI's publication on smokeless powders, which includes optimal storage conditions. If stored under such conditions, smokeless powder will last decades without degrading.

About spontaneous combustion . . . I don't have a clue. I've never heard of a case, but then I haven't really searched for one either.
14 June 2021, 01:10
rcraig
Read this thread http://forums.accuratereloadin...2511043/m/9551089362

and take it for what it's worth.
14 June 2021, 01:31
Firearmdoc
The only spontaneous combustion I have ever experienced with smokeless powder is when my wife blows up at me for bringing more home!
14 June 2021, 02:53
Rapidrob
The only time the powder can ignite by itself is IF it was improperly made and the acid was not neutralized properly.
I've seen it ONE time in 60 years of reloading and it was know-to-be-bad pulled military surplus powder that was not mine.
The powder was fuming and generating heat.
It did not catch fire.


Gulf of Tonkin Yacht Club
NRA Endowment Member
President NM MILSURPS
14 June 2021, 03:42
B L O'Connor
quote:
Originally posted by Firearmdoc:
The only spontaneous combustion I have ever experienced with smokeless powder is when my wife blows up at me for bringing more home!
LMFAO