Universal Long-Lasting Waterproof Metal Rust ConverterARE THESE BOTHERING YOU FEATURES EFFECTIVE RUST CONVERSION: This rust converter departs from traditional, cumbersome rust removal processes by directly transforming rust into a stable compound. This prevents further corrosion and eliminates the risk of secondary rusting. The converted rust protection layer can be used directly as a primer, saving time and effort by allowing immediate application of topcoat paint after drying. WATERPROOF AND FLAME