Re: Speckling in Al7075 Black Anodized Parts
Sounds like the grain showing through. Can you see the grain in the part before ano?
Polishing the parts before ano may help. I've often wondered if bright dip would help eliminate grain. If the shop you are using offers type III, they may also have a bright-dip tank.
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Specializing in anodized graphics in Paintball guns.
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