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| Electroplating Questions Discussion Board For Electroplating and Electroless plating. |
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03-07-2008, 11:28 PM
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Can you put a clear powder coat of Copy Chrome to keep it from tarnishing?
I've been told the only downside to Copy Chrome is that it will eventually tarnish a bit. If you put a clear powder coat over it, would it dull the finish?
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03-10-2008, 04:33 AM
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Re: Can you put a clear powder coat of Copy Chrome to keep it from tarnishing?
The thing to be carefull with clear coating electroplating is if you use a heat process to cure the laquer or as in your example heat the powdercoat, the plated item will want too out gas hydrogen. I would relief the items first at 400 degrees for a good 2 to 3 hours to force the hydrogen out. If you then polish the item to a high lustre and thoroughly degrease to get the polishing waxes out you should be able to clear coat with a good result.
Disclaimer, I havn't tried clear powder on electroplated stuff before, only clear laquer and only on small decorative pieces.
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