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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Patinating copper plating

Greetings,

Will copper plated objects patinate? I was told that because of the plating process, the copper surface will not patinate as readily, if at all, as do solid copper objects (flashing, pipes, etc.). Can this be true?

My best,
Ken

Ken Bruno
hobbyist - Boston, Massachusetts
October 24, 2008

Hi. It probably depends how thick (and consequently pore-free) the copper plating is. If you eat through it, it won't work. Pennies (post-1982) are copper plating on zinc and they color pretty much the same way copper pennies do, but are much more subject to severe corrosion.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
November 3, 2008

As Ted has mentioned, depends which kind of copper you are using as well as which kind of additives you are using for copper plating.

Dominik Michalek
- Mexico City, Mexico
November 15, 2008

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