DETAILS Developed for both pre and post panel prep and cleaning. Preps Metal After Welding Cleans and Etches Weld Beads Assures Proper Paint Adhesion Spray On Wipe Off Application Use on Steel, Cast Iron and Aluminium This aqueous cleaner is designed to clean the bare metal prior to welding to remove contaminants and also used after welding and any grinding to assure a clean panel and to properly \"etch\" the metal with phosphoric acid for excellent primer and paint adhesion. Package in a 1 quart spray bottle. Do not use on chrome plating or polished aluminium. CONTENTS 32 oz. APPLICATION Use on steel, cast iron and aluminium.Do not use on chrome plating or polished aluminium. SAFETY Always wear rubber gloves, and work in well ventilated area. APPLICATION Use on steel, cast iron and aluminium. Do not use on chrome plating or polished aluminium.