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Looking for black finish on bronze

I am finishing bronze castings using Cobalt Nitrate and a torch.The finish is very nice, but the process is very laborious and the durability is marginal.Any ideas for an alternative finish that would yield a soft black and hold up to a moist environment? Thank you.

Brad Lewis
- San Clemente California
1999

See "The Colouring, Bronzing & Patination of Metals" [on eBay, Amazon, AbeBooks affil links] , for formulas for all sorts of beautiful finishes for the artistic use of copper alloys. The photographic plates are a marvel, and should be in the reference section of any art department's library.

Best regards,

Tom Pullizzi
Falls Township, Pennsylvania
1999

Hi, Brad. Plating supply houses can get "Copper Electroblack" for you. I think this will blacken bronze as well as copper.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
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February 26, 2009

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