Quote:
Originally Posted by nikwho
I would think that the vinegar would need to be neutralized. Being that you still have some rust down in those pits, I would personally use some phosphoric acid on the panel, to neutralize the rust. I have had good luck with it in the past, but i will tell you that I am not a professional painter, by any stretch! I have cleaned panels with soap and water, then with phosphoric acid, then with mineral spirits, then wax and grease remover, then, after tack cloth, shot with epoxy primer. I have had no adhesion issues do it this way.
Nik
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Right on the money. Phosphoric acid stops the rusting process by converting the iron oxide to phosphorus oxide, visible results are the color change from brown to black. This method will yield flawless results.