Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - First time spraying PPG DP50 and Featherfill G2. Advice needed.
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Old 02-23-2012, 07:53 AM
Dave C. Dave C. is offline
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IMO, After looking at those wheels, I would wash them with phosphoric acid, scuff them, then spray your epoxy. I have a bunch of parts that were sandblasted and then powder coated which are spider webbing all over. I don't believe that sandblasting removes the rust, it only removes the loose material. Oxidation is a chemical reaction to the iron. Pitting reveals the problem as an embedded problem to the steel piece.
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