Acetone is a ketone solvent primarily used in thinning and cleanup of polyester resins (fiberglass resin) and gel coats. A strong solvent that thins polyester resins and gel coatings rapidly and effectively for good application. The fast evaporation rate of this product can improve application properties for a good finish. Used for spray, roll, and hand layup applications. Excellent for use as a cleanup solvent for application equipment.