Transform Surface Rust into a Paintable Surface! This high-tech formula halts residual rust in its tracks and converts it into a black protective polymeric coating that eliminates the need for sanding. The converted protective coating is a suitable primer, and is compatible with most top coats. Simply remove loose rust with a wire brush, then apply Eastwood’s Rust Converter. Allow to dry, then top coat it with a quality coating. Single component; no more mixing. Eastwood Rust Converter STOPS residual rust, and turns it into a Black, Protective, Ready-to-Paint Coating, without sanding. Just apply to transform the rust. Penetrates faster than other brands No sanding needed - just apply to transform rust Coverage: 50 square feet per quart No mixing needed 320grm