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Silkscreen on Anodize

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I would like to know what people think about silkscreening (for example a putting a part number) on an anodized surface. Is there a spec that would address this?

Sharise Phelps
manufacturer - Wichita, KS, USA

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It will work fine if specified as part of the anodizing process. Silk screening that is integral to the anodizing won't come off even with sandpaper without a lot of effort. Silk screening on top of an anodized part probably won't be worth much.

Ted Mooney, P.E.
finishing.com
Brick, New Jersey

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