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topic 54558

Maintaining high finish on copper sprinklers




March 11, 2010

I have been making copper obital lawn sprinklers for 11 years and have struggled with maintaining a high gloss for all of these years. I use to hand polish with steel wool, and then apply Mothers polish, then clean with denatured alcohol and apply a Everbrite coating, but still experienced spotting and staining while trying to sell my product at craft shows. I've just started to machine buff the sprinklers and am able to attain a high gloss but the Everbrite seems to dull down. QUESTION: WHAT SHOULD I USE TO MAINTAIN THIS HIGH GLOSS?

Jim Cook
Crafter - Fremont, Michigan


April 14, 2010

Hi, Jim. A standard brightener / tarnish preventer for copper is sodium benzotriazole. Try this before the Everbrite or in lieu of it and see what you get. You may also try the benzotriazole before a standard brass lacquer. Good luck.

Regards,

Ted Mooney, finishing.com
Teds signature
Ted Mooney, P.E.
finishing.com
Pine Beach, New Jersey



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