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Author Topic: IMR 4350?  (Read 1287 times)

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Offline S.B.

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IMR 4350?
« on: December 31, 2008, 11:36:09 AM »
I use this powder in 7mm mags for some time now but, haven't loaded any for some time. When I poured some in the measure a red dust came off powder? Very irregular weights with this powder, especially when adjusting the weight. Had to trickle all case loads(to get even close) and the measure bound up badly. After a full measure I decided to go to a new can of the same powder but, same deal-red dust and gummed up the measure badly. I know it's stick powder but, has anyone had like experiences? Is this normal for this powder? It's been several years since I worked with this powder but, don't remember having this much trouble with it.
Steve
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Offline Handgun Hunter

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Re: IMR 4350?
« Reply #1 on: December 31, 2008, 12:13:37 PM »
SB,

     I havs used this powder for 26yrs. and never experienced what you describe. I would contact IMR and run it past them if it happened to me. Something is wrong, or they changed recently.
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Offline dw06

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Re: IMR 4350?
« Reply #2 on: December 31, 2008, 12:36:36 PM »
SB,
 Nope not normal for this powder ,or any other. Since you said its some time since you have loaded any, how old is the can of powder, and more important how has it stored?
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Offline S.B.

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Re: IMR 4350?
« Reply #3 on: December 31, 2008, 12:51:53 PM »
One was unsealed new the other I have no idea but, I've never had powder go bad before. I run a dehumidifier 24/7/365 in my load room.
Steve
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Offline stimpylu32

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Re: IMR 4350?
« Reply #4 on: December 31, 2008, 12:53:36 PM »
Steve

Sounds to me like the chemical structure of the powder has broken down , for sure DO NOT USE IT till you have talked to the pro's at Hodgdons about it .

stimpy
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Offline S.B.

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Re: IMR 4350?
« Reply #5 on: December 31, 2008, 12:55:09 PM »
Hodgdons didn't make it????
Steve
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Offline Slufoot

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Re: IMR 4350?
« Reply #6 on: December 31, 2008, 01:55:14 PM »
Hodgdon Powder Company bought the IMR Powder Company, that is why Stimpy suggested calling them.
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Offline Autorim

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Re: IMR 4350?
« Reply #7 on: December 31, 2008, 02:28:16 PM »
It definitely sounds like deterioration. Do not use.
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Offline STexhunter

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Re: IMR 4350?
« Reply #8 on: December 31, 2008, 02:35:03 PM »
I experienced the same red dust in some powder once.  I had a farily new can, used over half a one lb. can, no problems. Then it was stored for a  quiet awhile and the next time I started to use it I noticed the red dust and trashed it.  I believe the powder is breaking down and shouldn't be used.
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Offline dw06

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Re: IMR 4350?
« Reply #9 on: December 31, 2008, 03:46:30 PM »
Wow, you guys got my attention, I'm a big time user of IMR 4350 and my stock is all old and is made before hodgdon took over the IMR line. So just checked mine and last 8 pound can I bought in 94? still smells good and has no red dust. Good advice from stimpylu32, slufoot, and autorim, sounds like it has deteriortrated  or something, maybe give them a call, or just throw it out and get a new can. Not worth the  risk.
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Offline hillbill

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Re: IMR 4350?
« Reply #10 on: December 31, 2008, 03:51:50 PM »
i use 4350 a lot in fact its bout all i use for my 06, 6.5x55. have had some laying round for a couple years but never had any trouble like this.i would be very much interested if you find out the root of this pob.
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Offline S.B.

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Re: IMR 4350?
« Reply #11 on: December 31, 2008, 04:08:53 PM »
Too late, I already shot several of the rounds out of one box I loaded with no ill effects? I'll call Hodgdon first thing Monday.
Steve
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Offline Siskiyou

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Re: IMR 4350?
« Reply #12 on: December 31, 2008, 04:22:28 PM »
The red dust was one of the symptoms display by the vast quantities of surplus 4895 which went sour after WWII.
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Offline krod47nw

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Re: IMR 4350?
« Reply #13 on: January 01, 2009, 03:32:33 PM »
Some powder manuals have a section in the beginning about powder deterioration.  Red dust is one of the main symptoms they list for deterioration.  Another is the powder being sticky, which sounds like yours is if it is gumming up the measure.

Kevin
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Offline gypsyman

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Re: IMR 4350?
« Reply #14 on: January 01, 2009, 03:50:13 PM »
Since I use 4350 for just my .270, a lb. of it last me quite awhile. The only time I buy powders in bulk, is usually for my pistol loads, as I go thru them faster. gypsyman
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Offline S.B.

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Re: IMR 4350?
« Reply #15 on: January 02, 2009, 02:36:05 AM »
Quote from: krod47nw on January 01, 2009, 03:32:33 PM
Some powder manuals have a section in the beginning about powder deterioration.  Red dust is one of the main symptoms they list for deterioration.  Another is the powder being sticky, which sounds like yours is if it is gumming up the measure.

Kevin

Not sticky, but binds up the measure!
Steve
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Offline Mule

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Re: IMR 4350?
« Reply #16 on: January 02, 2009, 03:44:49 AM »
Old Powder, Don't waste it.

Used sparingly, your garden will love it!!!!!
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Offline Blowtorch53

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Re: IMR 4350?
« Reply #17 on: January 02, 2009, 10:17:49 AM »
S.B.,

Chunk it!!! 

Blowtorch
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Offline S.B.

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Re: IMR 4350?
« Reply #18 on: January 05, 2009, 07:55:54 AM »
I talked to Hodgdon this morning and the advice is corrected has started to deteriorate. Tech told me that he has never seen any Hodgdon powder go bad? And, it can also go bad while loaded in a case! Any IMR powder can have this happen, according to him.
Steve
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Offline teddy12b

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Re: IMR 4350?
« Reply #19 on: January 05, 2009, 08:31:35 AM »
I've been loading IMR 4350 in my 30-06 for years and never had anything like this ever happen.  I'm with the rest of the guys, get rid of it.
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Offline S.B.

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Re: IMR 4350?
« Reply #20 on: January 05, 2009, 12:02:34 PM »
I think I'll spead it on the lawn???
Steve
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Offline Bubber

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Re: IMR 4350?
« Reply #21 on: January 05, 2009, 04:31:29 PM »
About a dozen years ago an uncle gave me a bunch of reloading supplies, dies, bullets, powders and some primers. In there was 1/2 cans of both IMR 4350 and 4198. I long ago used the 4350 up for my 270 but that can of 4198 sat closed tightly on the shelf up untill a few months ago. Who knows how old it was when I got it but I suddenly had a use for it, opened it, and right off noticed it didn't smell very strong. Poured some out and the red dust clouded up like you had hit a brick with a grinder. Not sure what happened as we live in a arid climate with low humidity year round, stable temperature in the reloading room, and it was closed up tight but it went bad anyways. I have a gallon jug of 4895 that was also given to me that must be 50 years old and is still good. I guess it just happens sometimes.

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