Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Sealant for copper to keep it from tarnishing
I have recently retired from teaching and am back at school learning to make jewelry. I'd like to work with copper, brass, etc, but hate how they quickly tarnish. IS THERE SOME SEALANT THAT CAN BE USED ON COPPER (and brass)? I see jewelry in the stores that have high polish sealant on the copper and brass, so there must be something. thanks!
Debi W [surname deleted for privacy by Editor]hobbyist & Student - Barnstead, New Hampshire, USA
2003
For short term tarnish resistance, copper is treated with benzotriazole ⇦this on eBay or Amazon [affil links] or similar chemicals. For longer term tarnish resistance it needs to be lacquered or clear coated.
Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003
adv.
"Clearcoats/Lacquers for Brass from G.J. Nikolas"
"Clearcoats/Lacquers for Brass from G.J. Nikolas"
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