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White streak marks in electropolishing 316L

We are currently electropolishing cube of 316 L SS and we getting the walls mark with streaking marks but also some of them come out fine; does anybody has suggestion on solving this problem? I can e mail a picture of the wall.

Mario Corte
- Hermosillo, Sonora, Mexico
2003

In my experience the streaking if your talking about a cream like haze, is usually from not getting all the solution rinsed off, If you do not put your rinse back into your EP Tank you can add 1% ± Nitric Acid to the first rinse and should help with your problem.

Chris Snyder
plater - Charlotte, North Carolina
2003

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