In a message dated 7/17/06 15:02:11, dmixon1 at houston.rr.com writes: << Zinc Chromate is no longer available. We treat aluminum parts with alodine 1200 and then a Boeing spec primer. Alodine is a protective chromate conversion coating. >> >>>Okay, so what about magnesium parts? Same deal? Where do normal people find this magic potion? Mike