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Be careful of your cleaning solutions

Advanced Reloading Techniques for long range shooters and more

Be careful of your cleaning solutions

Postby Marauder 1 » Wed Sep 24, 2014 9:35 am

I know a lot of you know this already but someone my find this useful.
Brass is not a natural element, it is composed of several metals combined. The formulation that most shell casings use is called 260 brass. One of the key elements that make up 260 brass is copper. That being said, certain chemicals will leach copper from brass your brass rendering it unstable, if your using a chemical like Ammonia this will actually pull the copper from the brass and change it's makeup. This was discovered many years ago when the British were storing their brass cased artillery shells in a barn with their horses. The Ammonia in the air from the horse urine was causing the brass in the shells to rapidly deteriorate and become unusable. (note to self don't store ammo in the bathroom :shock: )

I've even found this with certain mild acid based solutions like vinegar or even simple green. One way you can tell is if the case comes out looking a different color or the solution has changed color and has a blue or green hue to it. That is suspended copper in the solution.

I use Limmie Shine on my cases which is a citric acid based product. This does not seem to cause the same issues as the others. BUT just be sure thoroughly flush your brass to stop the acidic effects. I usually soak mine in water for 30 minutes after the Limmie Shine to make sure any reaction is neutralized.

Seeya
Mark
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Re: Be careful of your cleaning solutions

Postby Randalloc » Wed Sep 24, 2014 10:54 am

Good info with so many folks doing the Windex and water after shoot clean.. before the clean... I use Ballistol with water mix(read about that approach from somewhere)... and then a shot of WD-40 down he tube to try to dislocate the water on the ride home.. where the real clean job happens later.
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Re: Be careful of your cleaning solutions

Postby kcwomack » Thu Sep 25, 2014 4:11 pm

1/2 gal. Water + 1/2 tsp Lemi-Shine + 1 drop Dawn + 1 lb Stainless Media + 50 Once Fired de-capped cases. Tumble for 2 hours. 8-)
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Re: Be careful of your cleaning solutions

Postby Marauder 1 » Thu Sep 25, 2014 4:36 pm

I would also add to flush with fresh water and dry.. Limmie Shine is citric based but it's still an acid and if left improperly neutralized might give you some problems.

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