--- RUST CONVERTER FOR METAL - Save precious time and effort with the ultimate rust reformer. Our rusty metal primer is specifically designed to stop rust. --- CAN ACCEPT ALL TOP COATINGS NOT JUST OIL-BASED! You can easily apply oil based, water based, enamels or any other top coating you like. OR you can go ahead and save your hard- earned money and skip on the top coating. --- Does not need to be washed off and is therefore suitable for cavities. Can be further processed after just 3 hours with all standard paints, waxes, greases and fillers. Rust converter and primer in one go. rust converter penetrates deep into the grate, converts it into an insoluble organometallic compound and thus prevents renewed corrosion. --- EASY TO USE The brush on the lid in the can makes the rust converter ready to use and requires no additional tools.