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topic 7111

Copper Sheet Coloring

adv.  

(2001)

I am interested in changing the color of copper sheet (16, 20 & 32 ounce) to burgundy on copper riveted component assemblies. I would prefer the color to be uniform. The items I will be working with will be approximately two square feet of surface area. I would like to not have to worry about EPA. I would like to use liquid or powder chemicals and would consider using a low voltage (0-10 Volts)/high amperage (up to 100 Amps) rectifier if it would simplify the process.

Ricky Wynn
- Jackson, Mississippi


(2001)

The Colouring, Bronzing and Patination of Metals

7111

If it's a hobby, you needn't worry about the EPA. If you are selling it, you definitely do. Sounds to me like you're describing Row 2, Column 2 of the cover photo, Ricky =>
Probably no need for electricity, just patinizing chemicals. Most libraries have this book, which has hundreds of color plates and the formulas for them. Good luck.

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



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