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Author Topic: cleaning or burnishing with steel shot  (Read 248 times)

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robirdman

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cleaning or burnishing with steel shot
« on: June 26, 2019, 12:14:05 PM »

I am trying with a number of different metals, some sterling silver and some brass from old lamps and some steel parts I am cleaning after dissembling a rock saw.  I am using a vibrating tumbler, and I never get a good sheen. I used what I thought was old burnishing solution, then tried dishwashing detergent and Boraxo.  The foam gets brownish, I rinse and do again multiple times, but there is always more of a dull grayish sheen on the steel parts, though the brass does pretty well.  Recommendations as to solutions or procedures?
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Slabbercabber

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Re: cleaning or burnishing with steel shot
« Reply #1 on: June 27, 2019, 11:56:46 AM »

I'm not sure polishing is posible by tumbling but I would use walnut shell media.  It works very well for brass cases.
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