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Metal finishing Q&As since 1989

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POLISHED COPPER COATING

WOULD YOU PLEASE TELL ME WHAT I CAN COAT COPPER AFTER I POLISH IT SO THAT IT WON'T TARNISH AGAIN. WHAT I AM POLISHING IS 1/2 INCH COPPER WATER PIPE. I AM USING THE PIPE FOR A WINE RACK.

THANKS,

Kenneth Hanis
Hobbyist - Fremont, Nebraska, United States
2003

Well, you can coat it with gold :-) All metals except precious metals tarnish. But benzotriazole [on eBay or Amazon] and a number of proprietary agents will retard tarnishing for a while, and brass lacquer may be what you are looking for.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003

Incralac
(brass lacquer with benzotriazole)

on eBay or

Amazon

(affil links)

You can use Incralac [on eBay or Amazon] - special lacquer for copper and its alloys (it contains benzotriazole)!

Budija Goran
- Zagreb, Croatia
2003

adv.

"Clearcoats/Lacquers for Brass from G.J. Nikolas"

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