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Phosphoric Acid Rust Neutralizer
found this at my local lumber yard from Ospho a phosphoric acid that prepares rusted surface's for painting it eat all the rust over night, left it black & coated the metal with a semi gloss coating and im concerned about painting now. i contacted the company and the tech said that im ok to coat with my nason (dupont) self etching primer and catylized black enamel just curious if all is well here & that it wont lift but will do a test piece 1st. im curious if anyone has used this b-4 & so far its excellent & user friendly any opinions please, thanks a bunch
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1990 chevy 4x4 with a 1940 IHC body
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