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Thin Colored Coatings on Steel

I am a semi-retired electrical engineer looking for someone to show me how to produce a thin, durable, colored finish on small steel parts for identification. I am looking for a finish similar to that on some steel aerosol cans which are very thin and practically indestructible. I am not interested in graphics or excellent appearances but in about a dozen different, bright colors for identification.

Thanks,

Robert Nepper
- N. St. Paul, Minnesota

adv.
Please go to our web site to the section Stainless steel color passivation, where you can see some colors that we have obtained by special thick passivation in environmentally friendly solution.

Anna Berkovich
Russamer Lab - Pittsburgh, Pennsylvania
(ed. update July, 2025: sorry, Anna has retired)

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