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topic 1120

Keeping copper from turning green



1998

Hello,

I have a cupola with a bright new shiny copper top. I have polished it with Brasso [affil. link to info/product on Amazon]. Can you tell me if there is anything I can apply to the copper to keep it nice and shiny as opposed to turning green?

Thanks so much!

Joanne S


1998

Please provide your full name on any followups Joanne.

A lacquer (clear) will prevent the copper from oxidizing and changing color. You might talk to G.J. Nikolas [a finishing.com supporting advertiser].

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey


1998

I am interested in finding a quick way to oxidize copper to speed the natural process by which copper turns green over prolonged periods...any suggestions?

Erik Andersen



1998

For Erik

Get swimming pool chlorine (stronger than store bleach) and soak the copper for a day or so. Will turn green.

Evan Sax
Newland, North Carolina


1998

For complete info about how to turn copper-bearing metals any conceivable shade, see this great book on patinizing.

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey

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