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Ted Mooney, P.E. RET
Pine Beach, NJ

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Vibratory finishing liquids

I have a question: what solution can be used for finishing of brass coins when we apply a vibratory machine? can you give me a formulation for this compound? thank you very much

Ahmad salem
- dobi, dobi, emarat
2003

Not sure exactly what you are looking for. If you are making brass coins, the normal procedure before striking is to use steel ball media in a slightly acidic compound that has a good lubricant. If you want to polish coins that are already done, you do not want to use steel but treated dry organic media. The steel will deform the raised relief.

AF Kenton
retired business owner - Hatboro, Pennsylvania
2003

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