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Finishing process for aluminum castings

I'm researching suitable finishing processes (coatings, etc.) for aluminum castings that form part of pumps. The "ideal" description of the coating I require would be: Not to show fingerprints Non-chipping Fast application Cheap Environmentally friendly Look suitable for use in a scientific environment (i.e. To look more like a domestic appliance as opposed to an industrial machine) Could you please advise me of any suitable processes

Leigh Smith
OEM - Manchester, Lancashire, UK
2004

Unusual word is causing some confusion on my part. Are you looking for a negative surface finish to the raw casting item or a positive protective coating?

AF Kenton
retired business owner - Hatboro, Pennsylvania
2004

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