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Subject: Re: When rust is found...
With a galvanized body, I would use zinc chromate primer.(3 M product).
Galvanized metal needs special primer. Using rustoleum will not work. It will
just peel off. To treat galvanized metal,first you must prep the surface with
a special acid called metal prep.(Dupont makes this) . Then you must use a
primer that is compatible with Galvanized metal. (Zinc Chromate). Your local
Dupont auto paint jobber can assist you with the correct chemical needed.