open67 Posted April 8, 2013 Share Posted April 8, 2013 Any input on shelf life of N350. Bought 2 4lb. jugs today that had a 12/2007 date on them. Bought them through someone so thought it would be more current. Link to comment Share on other sites More sharing options...
ChuckS Posted April 8, 2013 Share Posted April 8, 2013 I used 2 4# jugs of N340 last year. One was dated 2007 and one 2008. No problem seen at the chrono... Link to comment Share on other sites More sharing options...
Pat Miles Posted April 8, 2013 Share Posted April 8, 2013 Shoot it! Pat Link to comment Share on other sites More sharing options...
warpspeed Posted April 8, 2013 Share Posted April 8, 2013 un-opened ? I think you are GTG. I've got powder that is at least 30 years old that works just fine. Some primers too. Link to comment Share on other sites More sharing options...
gng4life Posted April 8, 2013 Share Posted April 8, 2013 I had some N320 that was dated 2002 just last year and it worked just like the 2011 jug I had. As long as it was stored properly, you shouldn't have any problems... Link to comment Share on other sites More sharing options...
Alaskapopo Posted April 8, 2013 Share Posted April 8, 2013 Powder lasts forever if properly stored. Pat Link to comment Share on other sites More sharing options...
open67 Posted April 8, 2013 Author Share Posted April 8, 2013 Thanks for the input. Link to comment Share on other sites More sharing options...
Service Desk Posted April 9, 2013 Share Posted April 9, 2013 I had about 15lbs of 4350 that went bad in the cans...... and it was only purchased in 1988, the cans went rusty inside - now it is expensive lawn fertiliser ! Link to comment Share on other sites More sharing options...
Justsomeguy Posted April 10, 2013 Share Posted April 10, 2013 Powder stored correctly will last indefinitely. Service Desk's experience with rusty cans indicates his was not stored in good conditions. Gladly, most modern powder containers are of an inert plastic variety which should be proof against the rust thing! Still, never put powder containers for any continuous length of time directly on a concrete floor or other place where moisture or corrosive influences might be prevelent. Link to comment Share on other sites More sharing options...
noylj Posted April 11, 2013 Share Posted April 11, 2013 Never had any problem with concrete floors or garage storage. Powder is very stable. The good news is if it goes bad, you are in no doubt about it. Brown nitric acid gas and brown powder eliminates any doubts. Rusty can indicates can failure or powder failure and you can tell instantly by smell. I consider any powder made since 1970 to be GTG, if stored at least somewhat correctly. Link to comment Share on other sites More sharing options...
Wilfred Posted April 11, 2013 Share Posted April 11, 2013 This is great info about powders Link to comment Share on other sites More sharing options...
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