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Copper plating problem

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  • Copper plating problem

    I'm currently re-plating (gold) some parts for an electric guitar. Majority of the pieces are plating just fine and look real good. However, I do have 1 or 2 pieces that are giving me a problem. As I removed the old plating from these parts I detected a layer of copper underneath the original gold layer. (This was the case on only these specific parts.) Therefore, during the re-plating process, I assumed these same parts would require an initial layer of copper, and then a final layer of gold.

    After buffing the bare metal to a great shine I applied the copper, and shortly afterwards I noticed what appears to be long, fine scratches in the finish. The bare metal did not have these 'scratches' before I'd applied the copper.

    I'm tempted to re-buff these 'scratched' parts and apply gold directly to see what happens.

    (All of the other parts - that I'd gold-plated - turned out fine, and I used the same brush, power supply, etc.)

    Any ideas?


  • #2
    Re: Copper plating problem

    That happened to me once while plating copper on Aluminum. The best way to find out what is going on is to purchase a small microscope 60 to 100x. They're quite cheap maybe 60 dollars Canadian, and extremely useful. I bought mine at Radio Shack.