I Agree with,.. This ^^^^
When I ran Out of 4895 I thought about,.. Buying More !
Did some Research,.. NO,.. Thanks !
New H-4895
- Thread starter varget204
- Start date
When I ran Out of 4895 I thought about,.. Buying More !
Did some Research,.. NO,.. Thanks !
Yeah - I'm sure it exists - but I don't know why - that's beyond my comprehension & pay grade.
I use both H4895 and 8208 and I have not found much of any variation between different lots...but that's just my own limited experience.
I suppose the idea is to drive out moisture but the solvents {that fresh powder smell} will also be gone even sooner if you heat it and that certainly will change the burn rate and I suspect the stability…
I have also found that my new 4Kg of AR2208 = VARGET under Hodgdon’s label, is also running slower and to get the same velocity out of my 6BR I had to increase the load by half a grain…!
H4895 is also made in Australia and known as AR2206H and for years not available due to problems with the production line and management issues…
Nearly all of Hodgdon’s powder is made by ADI in Australia and relabeled for sale in the USA.. I note that 4kg jugs are now replacing 8 pound ones…
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Exactly…. as my dad would say “Some folks would complain even if they were hung with a NEW rope…”
Some H4895 is better than NO H4895…
I’ve heard term “off gassing” of powder when it sits out in open air etc.
I’ve also heard of guys pouring powder into a big tub to even out the I assume humidity, my question is if the speed of a powder lot would increase when doing so ?
I’ve also heard of guys pouring powder into a big tub to even out the I assume humidity, my question is if the speed of a powder lot would increase when doing so ?
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Jeff Porter
Gold $$ Contributor
From my experiences- burn rates of single base ( nitrocellulose) powders are controlled by the shape/size and coatings that are on the powder. The solvent “ ether” smell is what was used to carry those coatings in a fluid bed coating application. Those volatile solvents are much lighter than water too. So when drying at low heat, yeah some of the solvents will go away with the water vapor, but what I am left with is a consistent representation of the actual powder, not one that has been impacted by changes in humidity levels. If it concerns you at all , don’t do it. But if you have a really slow lot, try a half pound and see what it does compared to the “ wet” loads.
No don't do that!
From what I've been told from one powder maker... and I don't know if this across all powder brands.... but from lot to lot you can expect a +/-3% in burn rate variation. If one lot you had was on the -3% side of the burn rate and the new lot is at +3% on the side of the burn rate. That's a total swing possible of 6%.
Hence the recommendation we always hear.... change any of your components in your reloading formula. Back off your load and work it up again. What worked before for you might be different the next go around.
Be safe!
Later, Frank
Bartlein Barrels
I can remember when IMR was made by Dupont.
Me too! Not to mention I still have like three different cans of IMR/Dupont at home. One is 4064.
I tried what you mentioned, I took about 1/2 pound of Old Win 748 ball powder [ the old round 8 lb metal kegs], put it in the oven for about 1.5 hrs around 100-110 degress, took it out was Bone Dry to the touch. filled the V4 on the FX120I weighed 50 charges, set for 27.79 grains, hoping to get 27.8 grains, 1 was 2.78 gr, the other 49 were Exactly 27.80 grains. Never had this happen before. Got this power in the 70.'s or 80's, don't know if there is a lot # on the can. there are a few #1-LA-159A,1-109377 &1-larger #'s 7488, 8 lbs was" $ 89.90 ",the Good Old Days, if it is as consistent Velocity wise as it weighed, I Will be Happier than the only Blowfly in a Slaughter House . lol and " Best of All there was No Boom ",Thanks Jeff ! going to shoot it in 204 ruger w/40 v-max & Old Win Staynless SR primers; as I have shot this load a few months ago,will compare velocities
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Me too, but I'm not quite old enough to remember that about 100 yrs. ago, DuPont made it all in the US. The gub'mint didn't like the monopoly so Hercules was born for the pistol powders. Hercules is now Alliant & Hodgdon is approaching monopoly status. And the beat goes on...
Believe in the 50's or 60's, use to get 12 pound black metal kegs in the early 60's
The 28"HV Palma Bartein barrel is the most accurate of any barrel I ever Had .have Krieger, custom German, Criterion's, X-Caliber barrels.it shoots everything good, Just got 2 More 31"HV Palma barrels & and a Defiance Classic action more 6 BRA's on the way
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