Pretreatment for Aluminum

Posted: July 13, 2012 By: Tasi

Home Forums Powder Coating Pretreatment for Aluminum

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    I’m powdercoating small 6061 mill finish aluminum parts. I’m having good luck with it but the finish comes off in countersunk screw holes when screws are used. Currently I’m only pretreating with PRE cleaner. Is there something else I can use that will give the powder better adhesion? Thanks.

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