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AR15.COM
3/12/2010 6:14:42 AM EDT
I bought a case of Tannerite when my wife was still around, so about 7 years ago. I recently got a chance to shoot some of it and it was a no go.







How long will Tannerite keep? This was unmixed until I got to the range.

 
3/12/2010 6:18:52 AM EDT
[#1]
Had the same issue with mine. Moisture got to the white stuff and made it stick together. Once in a while I can get one to go off, but usually it's just
a letdown. I use a .223 and hit perfectly on the target also. I found a coolwhip container fits three jars perfectly.
3/12/2010 6:21:45 AM EDT
[#2]
We were using a .308 and nailed both bottles solid enough to blow them apart, but no explosion.


3/12/2010 6:23:26 AM EDT
[#3]




Quoted:

Had the same issue with mine. Moisture got to the white stuff and made it stick together. Once in a while I can get one to go off, but usually it's just

a letdown. I use a .223 and hit perfectly on the target also. I found a coolwhip container fits three jars perfectly.


Did you try spreading it out on aluminum foil on a cookie sheet and throw in the oven at low heat to dry it out?

3/12/2010 6:35:39 AM EDT
[#4]
Tannerite doesn't go bad.  It may get wet, since ammonium nitrate absorbs water from the air, but if you keep it tightly sealed that won't happen.
3/12/2010 6:36:23 AM EDT
[#5]
I've shot some a couple years old and it was fine.
3/12/2010 6:38:22 AM EDT
[#6]
I would bet that the prills could be dehydrated.  I don't know the best method though.  Low heat in the oven?
3/12/2010 3:25:29 PM EDT
[#7]
Quoted:
I would bet that the prills could be dehydrated.  I don't know the best method though.  Low heat in the oven?


It will decompose if it gets hot enough, so definitely LOW heat.

EDIT:  according to Wikipedia, it decomposes at about 400F.  I would want to keep it FAR from that temperature.