KBS Coatings Number One thinner is a Low VOC paint thinner used for the thinning and clean up of RustSeal and our other rust preventative coatings and paints. Make sure to only use #1 Thinner for the thinning of RustSeal and our other Rust Preventive Paints. Regular solvents may contain moisture that can adversely affect the performance of our coatings. Also keep some KBS #1 Thinner on hand for your immediate clean up needs.Features and Benefits:For Thinning KBS CoatingsFor Cleanup of KBS CoatingsWorks with RustSealThins Diamond Clear.