Methyl Isobutyl Ketone (MIBK) is a ketone solvent for use in thinning and cleanup of many solution vinyl coatings, epoxy coatings, urethane coatings, and many other high-performance, chemical-resistant coatings. The fast evaporation rate of this product can improve application properties for a good finish. Used primarily for spray applications. Excellent for use as a cleanup solvent for application equipment.