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Copper plating is not smooth but has texture
Hello.. I'm plating copper on the copper frame using copper cyanide. Sometimes, the plating become texturing type, reddish spotty or patchy type. Can someone help to explain this. Thanks
Deen [last name deleted for privacy by Editor]
- Malaysia
1999
1999
Dear Deen,
Try using Rochelle Copper or a Potassium Copper bath instead of an ordinary copper Cyanide bath. The Rochelle bath will will give you a brighter pinker finish instead of a brick red patchy finish you are getting now. Also keep temperature around 45 °C and maintain an optimum current density without using higher currents if not required.
Regards, K Vahanwala
Khozem Vahaanwala
Saify Ind
Bengaluru, Karnataka, India
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