A two in one rust converter and primer for application directly onto rusted steel and galvanised iron. Low VOC and lead free. NJR Steel Advanced Range Rust Converter is easy to use in interior and exterior use where it is difficult to remove red rust completely. It reacts chemically with rust and effectively stops further corrosion. It converts red rust to a stable bluish black film and is water based for easy clean-up. Can be over coated with a variety of top coats (alkyd enamels, acrylic emulsions, vinyls, polyurethane and epoxies).