Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Preparing rust for paint
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Old 02-02-2013, 11:57 PM
demarques_191 demarques_191 is offline
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Any rusted panels must be sanded down to the max you can to where all rust is gone and not seen again.... Sand it with 80 grit or a wire wheel in tight spots... blow dust, dirt, residue off, clean it with some kind of metal cleaning agent, even though some people use thinner to make sure the metal is properly clean so the primer can adhere....Then use a expoxy primer because it has the most bite to the bare metal than any other bare metal treatment... give it some flash time between coats and u dont have to apply it heavy either, put it light to medium coats... 2 coats is fine, get it covered completely but make sure your gun is setup properly to where you have enough material coming out but not too much (this is done from adjusting the fluid nozzle in and out) then you have about a hour window to shoot your topcoating primer of choice... (primer filler, polyester, etc) you can actually spray color over the epoxy primer
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