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| Electroplating Questions Discussion Board For Electroplating and Electroless plating. |
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07-24-2003, 02:52 AM
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MUST Un-zinc part (Copy-Cad)
This is probably for Mike...
Is it posible to remove excess zinc from a part by reversing polarity? My timer broke down and the part plated for 49! hours instead of intended 24 minutes. Needless to say that I will be buying a set of anodes from you, but also need to know the best way to remove the wildly thick layer of zinc. Thanks. Andrew. I have it sitting in reverse mode right now, small piece of anode had picked up some zinc already. I will let you know what will happen next. 
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07-24-2003, 02:25 PM
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Muriatic acid will dissolve the zinc right off. 49 hours, that's got to be a record
__________________
-- Mike Caswell Caswell Inc http://www.caswellplating.com Need Support? Visit our online support section at http://support.caswellplating.com Have A Web Site? Why not join our affiliate program and earn 15% of all sales. Join at http://www.caswellplating.com/affiliate.htm
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07-24-2003, 11:36 PM
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Thanks, what is the mixing ratio for the acid? BTW, 90% of zinc settled back on anodes after about 20 hours in reverse.
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