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Letter 1215
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Bob Lynch |
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Bob:
Thanks for the response. We used to use Electroblack but removed it from our plant because of the hazardous chemicals. The latest Gesswein catalog has a product called
which says it blackens gold.
Has anyone out there ever tried it? Is it safe to use? What about disposal? Thanks for your help.
Bill Christiansen
Do you guys know what chemicals are used to antique copper and brass?
Thanks, Bill.
Bill Bleasdale
Hi, Bill. Please see our FAQs on this subject at www.finishing.com/faqs/patina.html. Good luck.
Regards,
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I have a 14K gold ring that has been processed with this blacked effect. I wanted to know if it is possible to reverse this process? this ring has alot of diamonds in it which were set upside down...quite unusual.
Suzanne Bakarich
- Martinez, CA, USA

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