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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Looking for a workable process of stainless electropolishing

I plan to teach my chemistry class about electropolishing stainless steel, does anybody know any workable process that I can use?

Peter E. de Dios
educator - Manila, Philippines
2005

It can't be explained briefly enough to suit an internet response, but the Electroplating Engineering Handbook [on AbeBooks or eBay or Amazon affil links] has an outstanding chapter on electropolishing of stainless steel

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2005

2005

Ted,
what kind of chemicals is used? I did some research and found some set-up that I want to try but I do not have any info on the bath to use?
are you aware of any electropolishing process that uses salts only? not acid or alkali solution to produce the same effect? how does this work? any information you might share will be most appreciated.
best regards

Peter e. de Dios
- Laguna, Philippines

I am not personally aware of a viable electropolishing process that uses salts. Peter. Rather they use highly concentrated sulfuric acid or sulfuric acid - phosphoric acid, and other strong acids. If you do not have access to the Electroplating Engineering Handbook, there is some coverage of electropolishing in ASM Metals Handbook, Vol. 5 or in the Metal Finishing Guidebook.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2005

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