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mardig88

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i got 2lbs of Hogdon HP-38 powder in a bag
where can i store it so that once i start using it doesn't go bad from humidity?
any ideas of a suitable container?
 
Got any empty powder containers? If so, re-lable the bejaysus out of them so there's no question what powder it will now contain. Failing that, one of those Lee Valley humidity absorbing canisters, or a few packets of silica jel should do the trick in some other container.
 
Those plastic liquid soap containers, with large openings such as Tide, make great storage containers. They must be cleaned properly and dried out of course.
 
Moisture is not an issue with modern powder, the old "keep your powder dry" adage predated nitrocellulose based powders. Nitrocellulose is not at all water soluble, it's a plastic and used to be stored soaking wet for safety.Actually, it was one of the first practical plastics after parkesine. They still make ping pong balls out of nitrocellulose.

Light and heat, (in that order), are your real enemies, if any; unless you store your powder next to an ozone generator, like an electric motor with bad brushes (sparking). Of course, you'd know if you had an ozone source in your house because all your rubber products like your fridge gasket and whatnot would be hard and crumbling.

sorry for babbling, I was a chem major for 3 years.
 
hmmmm Thats a pickle...... I'd get off my duff and get it into the proper storage container quick......

I highly reccomend small cylindrical brass cases, preferably with some sort of copper or lead stopper on the top. :D

JJ :D I have used empty folgers coffe cans for this purpose in the past, just keep it in the bag and set it in the coffee can, snap on the lid & you are done.

Bobby is right, your real enemy is Light & Heat as opposed to moisture........ unless there is ALOT of moisture!

Cheers!
 
Basically I will use or would use an old 1 lb container & mark it for the dramatic change in type of power for HP 38 is good powder.

Just keep it in a cool room & it should be good for life. Many yrs ago an old chap was giving up Green Dot to other powders & most took the other powders, but not the Green Dot. Offered it to me & YES a handout like that is teriffic. Besides he was giving up a sport/hobby & I did not want to say NO.

So tried it out in 9mm to 38Spl & found it darn good. Shifted over to 45ACP & it suddenly became the best of all my powders. That was a while back. Still have some ex-empy containers of it & soon will change over to Green Dot as I am running out of HP-38. Could use Winchester 2-31, Unique, or Titegroup, but it will be said Green Dot. Got me to thinking I have outdated Winchester 452AA & I might give that a try.
 
Bobby Ironsights said:
Moisture is not an issue with modern powder, the old "keep your powder dry" adage predated nitrocellulose based powders. Nitrocellulose is not at all water soluble, it's a plastic and used to be stored soaking wet for safety.Actually, it was one of the first practical plastics after parkesine. They still make ping pong balls out of nitrocellulose.

Light and heat, (in that order), are your real enemies, if any; unless you store your powder next to an ozone generator, like an electric motor with bad brushes (sparking). Of course, you'd know if you had an ozone source in your house because all your rubber products like your fridge gasket and whatnot would be hard and crumbling.

sorry for babbling, I was a chem major for 3 years.
Click to expand...

As a chemist, maybe you can give me the answer..

I heard that some "plastic" can absorb Nitroglycerine... is it still right with new powders ? Some hospital IV tubing were "special" due to the fact that you can give IV Nitro and it won't absorb it and some other tubing doesn't have to be used with it. I was thinking of that when I put some HS-6 in a Spa Lithium plastic container
 
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