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Old April 8, 2005, 06:26 PM   #1
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Join Date: April 8, 2005
Posts: 5
Case Cleaning

I go to gun shows where people sell used brass [38 45 9mil etc].This is AS NEW on the outside as well as the inside. Ask about how it is done but they do not want to share this process. I suspect possibly some type of acid??.Anyone know how they could be doing this??? Thanks
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Old April 8, 2005, 09:20 PM   #2
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Join Date: July 1, 1999
Location: Iowa
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Welcome to the forum!!

The brass is probably cleaned with some sort of chemical cleaner, like Iosso.

Here is an article from Real Guns that explains it.

Good Luck...

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Old April 8, 2005, 09:54 PM   #3
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Join Date: November 28, 2004
Location: Silicon Valley, Ca
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There are several ways to clean powder residue off of brass.

One method is using a chemical bath that loosens the powder and the subject the cases to ultra-sonic vibrations. Usually this cleans the cases pretty well.

Another way is tumbling the brass in a dry media, like crushed walnut shells or such. The constant vibration and "churning" of the cases through a couple of pounds of shells scours the cases clean without scratching them.
BillCA in CA (Unfortunately)
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