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Remove PVD coating from zinc die cast metal

Hallo,

Please advise me I have watch which is zinc die cast metal and it is PVD coated. I wanted to remove PVD coating from that watch and to do gold plating. I have try HF acid then I have know that it is zinc die cast metal. Please advise how to remove PVD coating from zinc die cast metal. Somebody told me to use acetone ⇦this on eBay or Amazon [affil links] Warning! highly Flammable! .

Thanks,

Dipen Pattni
jeweler/goldsmith - Dar-Es-Salaam, Tanzania
2003

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