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Thread: 4895 powder spontaneous combustive

  1. #1
    Boolit Mold ironjaw's Avatar
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    4895 powder spontaneous combustive

    any one every have a container of 4895 combust .this container just went off and left a 4 foot dia. of residue and all guns near it have corrosive residue all over them. container was moved out side and then lit off again and no source of ignition was found, puzzle to me. this just happened to a friend in wa. state.
    any thoughts ???

  2. #2
    Boolit Grand Master



    M-Tecs's Avatar
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    Never heard of that happening. If the residue is truly corrosive something else happened.
    2nd Amendment of the U.S. Constitution. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

  3. #3
    Boolit Master
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    Never heard of it happening and I've been shooting for over sixty years and I'm met literally thousands of different shooters from all over the world. I guess something happened, but I don't think it was spontaneous combustion.

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  9. #9
    Boolit Buddy
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    Was this surplus or newer production powder? Hodgdon or IMR? What was it store in and under what conditions?

  10. #10
    Boolit Grand Master


    Larry Gibson's Avatar
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    I had a similar occurrence with a container (IMR 1 lb can) that had some pulldown Nobel (square flake) from some 8mm in it. The powder didn't combust, as in ignite, but the gas from the deteriorating/decomposing gas created a lot of pressure which final burst the can. The residue and vapor also caused a lot of corrosion on everything.
    Larry Gibson

    “Deficient observation is merely a form of ignorance and responsible for the many morbid notions and foolish ideas prevailing.”
    ― Nikola Tesla

  11. #11
    Boolit Master
    Mytmousemalibu's Avatar
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    If it's off-gassing nitric acid buy decomposition, yeah, I can Imagine it corroding stuff.

    Kinda scary stuff having powder nearly erupt in fire.
    ~ Chris


    Casting, reloading, shooting, collecting, restoring, smithing, etc, I love it all!
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    This innocent till proven guilty is more like a fantasy as time goes on. I don't know about you folks, but I for 1 am getting mighty tired of having to prove I'm innocent just because of what someone else thinks....

  12. #12
    Boolit Buddy
    762sultan's Avatar
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    I pulled down about 300 30-06 AP several years ago and found a number of them with green gooey powder in them. The bullets and the case necks were green also. That powder was quickly made into "lawn fertilizer". The brass was discarded on the green ones but the good ones were deprimed, cleaned, and reprimed and loaded with new powder. The original reason I wanted to pull them was they had mercuric primers. I didn't know they had a problem until the first bullet was pulled.

  13. #13
    Boolit Grand Master



    M-Tecs's Avatar
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    Quote Originally Posted by Larry Gibson View Post
    I had a similar occurrence with a container (IMR 1 lb can) that had some pulldown Nobel (square flake) from some 8mm in it. The powder didn't combust, as in ignite, but the gas from the deteriorating/decomposing gas created a lot of pressure which final burst the can. The residue and vapor also caused a lot of corrosion on everything.
    Never had that happen but I did have two cans rust out from the inside due to deterioration. My bet is that is what happened to the OP's friend also.
    2nd Amendment of the U.S. Constitution. - "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."

  14. #14
    Boolit Mold ironjaw's Avatar
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    this sounds like what happened. he said the lid was "melted" in the container. is was a plastic jar 1 lb.

  15. #15
    Boolit Master

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    Any guesses on age of the powder?
    To Thomas Jefferson: It's America! We can have our plows AND our guns!

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check