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Old February 23, 2013, 04:45 AM   #1
Fire_Moose
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Brasso

So I found this......

http://thefiringline.com/forums/arch...?t-420508.html

Can't find it in tappatak but....


Brasso contains 2-3% of an ammonia dilute....not much.

When I first started reloading a friend mentioned it so I grabbed a bottle. Polished my first 2500 cases with a cap full plus a squirt each 700 maybe. I have loaded 1800 maybe with no bad signs. I might keep these segrigated and continue to clean with brasso(it works SO incredibly well!) While keeping a 1k lot polished with nufinish(it works...)

These are 9 para BTW.


Anyways, ammonia evaporates pretty quick and I don't keep current media in an airtight container....so the little that's in there prolly wont be around the brass longer then the tumbling session.


IDK ill post results in 5-7 years...
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Old February 23, 2013, 06:43 AM   #2
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My major hobby is antique clock collecting, repair and restoration. Many of us use ultrasonic cleaners to clean antique brass components such as gears and movement plates. It is recognized amoniated cleaning products can have a weaking affect upon brass parts, and many use non-amoninated products in their ultrasonic machines. The detrimental effect is not noticable at the time of cleaning but supposedly will weaken the parts over years of use.

I do not think we need to concern ourselves about such with reloading brass since it has a much shorter use life than the concern with a collectible clock part expecting to run and in constant use for centuries into the future.

In fewer words, if ammonia products are detrimental to brass it is not a concern to most of us reloaders. We expect other effects like pressure, resizing and the ejection of brass onto rough surfaces as the main deterioator of ammo brass during multiple firings and reloading.
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Old February 23, 2013, 07:22 AM   #3
Mike Irwin
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"I do not think we need to concern ourselves about such with reloading brass since it has a much shorter use life"

I have .38, .357, and .45 ACP brass with better than 20 reloadings (some .38s approaching 50), that I've had since the early 1980s.

The brass is the only thing between you and the angry genie that comes to life when we pull the trigger on our guns.

No sense in increasing the potential of her getting the wrong way round by using products we know have a deleterious effect on the brass.
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Old February 23, 2013, 08:29 AM   #4
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Wiping down the cases with a damp rag should prevent damage from using Brasso.
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Old February 23, 2013, 12:30 PM   #5
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suggestion - get some never dull. Shines as good as brasso without the ammonia. I use it to wipe down the case necks on my long range rifle cases. Got over 12 loadings now on some Lapua .308 and that is all I have ever used on them.

http://www.nevrdull.com/

Just me but I figure there is a reason that all commercial ammo brass polish additives are ammonia free
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Old February 23, 2013, 01:02 PM   #6
Fire_Moose
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Re: Brasso

Forgot to mention. I have also swifted some brasso onto a plastic lid and let it dry out before putting it in the tumbler.

Evaporated ammonia free brasso
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Old February 23, 2013, 10:45 PM   #7
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I also use never dull with good results and it will clean a lot of brass.
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Old February 23, 2013, 11:01 PM   #8
Dan Newberry
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I've heard... or maybe read somewhere on the 'net... that using a bit of brasso in your tumble media will cause your babies to be born naked. Could be another internet rumor though.
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Old February 24, 2013, 12:12 AM   #9
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I use a little Brasso and some Soft Scrub with my media. Seems to work pretty good.
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Old February 24, 2013, 09:20 AM   #10
g.willikers
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Thanks for the tip, never heard of Never Dull before.
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Old February 24, 2013, 12:23 PM   #11
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Didn't the ammonia thing have some basis in Britsh ammo, India, humid hot climate, storage in stables, ammonia fumes from animal waste all leading to cases of brass case failure?

I'm into the stainless pins myself.
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Old February 24, 2013, 01:10 PM   #12
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Yes, the problem was first identified by the British in India as you suggest. My humble opinion is to err on the side of caution. If cartridge brass can be weakened by ammonia fumes from horse pee and the fumes aren't even strong enough to kill the stable boy, I'm not purposely going to subject my cartridge brass to anything with ammonia in it, neither horse pee nor Brasso. I'm sticking with Flitz or Nu-shine. ymmv
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Old February 24, 2013, 05:35 PM   #13
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Re: Brasso

Isn't flitz like 25% ammonia?

......

Well not 25 but its in there. Box 3.


http://www.flitz.com/images/document...Paste_16pt.pdf


Actually that's the first I've heard of flitz used for brass....
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Old February 24, 2013, 06:00 PM   #14
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Flitz makes a number of products, and at least one of them is a non-ammoniated polish. Comes as a white liquid in a bottle. I have some somewhere, but can't lay hands on it.

If you've ever noticed how rust gradually migrates through steel, I understand there is some kind of similar migration of the ammonia reaction products through brass if they aren't fully washed out. The issue isn't apparent with soft brass, but as it work hardens, the residual stress can cause an issue.

The Wikipedia article on season cracking is short and worth a look.

We had a fellow on the board who used Brasso to polish a bunch or rounds he had on display in machinegun links in high school. When he went back home one time and got out the trunk where they'd been for 20 years, the cases were largely eaten through and powder was spilled out. I expect galvanic reaction with the links may have played a role. I don't know what the trunk storage conditions were (dry or humid, but suspect the latter).

Like Mike, with all the various non-ammoniated cleaners around, I don't see a particular reason to try the experiment. If you don't try it for all storage conditions other shooters may have their brass in, then you still haven't proved it can't be a problem for some. And it's not like Brasso really works dramatically better in a tumbler that you are going to go away from and ignore for a while.

If you want to save money, just go to the local garden store and buy 5 lbs. of their diatomaceous earth and mix a slurry of it with a little odorless mineral spirits and add that to the tumbling media.
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Old February 25, 2013, 01:29 AM   #15
higgite
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Fire_Moose,

"Flitz Tumbler/Media Additive" contains no ammonia.

http://www.flitz.com/p-26-tumblermedia-additive.aspx
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Old February 25, 2013, 03:54 AM   #16
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Re: Brasso

Oh yeah, that's the msds for the standard Flitz.

I don't see why not to do the expariment....already git it going.

So anyone with an old Henry rifle use brasso on the receiver area?
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Old February 25, 2013, 09:37 AM   #17
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If you mean the brasslite cover that slips over the steel receiver on my son's Golden Boy, sure, why not? Makes it look real purty. But, that's off topic, so we probably shouldn't go there.

Edit: Sorry, my son saw this and corrected me. No Brasso on the receiver cover or butt plate. He says Henry recommends no solvents, just a clean, dry rag. He wipes his down with a silicone cloth.

Last edited by higgite; February 25, 2013 at 09:44 AM.
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Old February 25, 2013, 05:13 PM   #18
Fire_Moose
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Re: Brasso

Oh is it just a cover! S'pose that makes sense. LOL
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Old February 25, 2013, 06:14 PM   #19
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Once I left the cap off my bottle of Sweet's copper solvent... forgot about it for a few days... the ammonia practically all escaped! Then it was useless...

Ammonia evaporates, likely way too fast to do any harm to your brass if you just put a tad of Brass in the tumble media.

The horse urine thing that happened to the Brits is kinda funny... and I wouldn't necessarily dispute that, but the ammonia was present continually, and there were likely other factors which contributed to the brass cases failing.

All that said, erring on the side of caution is never a bad thing, especially when there are other products that'll do the same job with no ammonia.

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Old February 25, 2013, 06:43 PM   #20
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I can never recall any of my Army brass belt buckles failing me, and they saw cans and cans of Brasso. They only got replaced after the scratches were too deep from push-ups on the old Ft. Belvoir OCS side streets.

Opps, come to think of it they did not have a long life span.
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Old February 25, 2013, 06:55 PM   #21
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If your Army brass belt buckle was holding in 40,000+ PSI, you needed to do more pushups.
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