Rust Converter 1.01 fl. oz. - lid with a built in brush

Removes rust permanetly! One quart will cover up to 130 sq ft with its powerful, yet gentle formulaFertan Rust Converter is the best way to remove rust from any metal surface. It's simple to use - just apply it to the rusted area and it will instantly turn it into a blackened metal that's ready for painting. It also leaves a protective zinc coating that prevents rust from coming back for up to 6 months. RECOMMENDED FOR: Long-term, protective rust treatment for maintenance interventions on previously painted, oxidized metal parts. Part# 20020 Application If possible, sand the loose surface rust with sandpaper or by grinding.  Get rid of oil, grease, silicone and dirt. Use silicone remover if necessary. Apply FERTAN Rust Converter with a brush, roller or spray gun and let it react at room temperature (20° C / 68 °F)  for at least 24 hours. For temperatures between (5° C – 19° C / 41 °F - 66 °F) let the product react for 48 hours. A black or even blue-violet surface is formed thereafter