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

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Treatment for 2B finish to a uniform appearance

I have designed and built a framework structure using 7 ga 304 S.S. The outside surfaces have been polished to a #7 mirror finish, the inside surfaces have a 2B finish, I am looking for a method or material that will create a uniform appearance to the 2B finish without sanding, buffing, or disassembly of the framework. Any advice will be greatly appreciated.

Bob Szabo
machinery manufacturer - Holland , Michigan
2003

Hi, Bo. You have ruled out mechanical treatments, so you are apparently looking for a chemical that will create a uniform finish on the stainless steel, starting from a non-uniform finish.

I am not sure that success is possible, but I would start with an alkaline detergent solution or pumice ⇦ this on eBay or Amazon [affil links] and a scrub brush ⇦ this on eBay or Amazon [affil links] to remove any oils, dirt, and finger prints, then try a citric acid passivating solution, available from Stellar Solutions [a finishing.com supporting advertiser].

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
September 23, 2009

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