Methyl Ethyl Ketone(MEK) is a fast evaporating, extremely flammable solvent. It is used as a specialty thinner for some coatings, and it is somewhat slower evaporating than Acetone. Methyl Ethyl Ketone is a specialty thinner for epoxies, lacquers and adhesives, as well as polyester resins used in fiberglass boat and auto repairs. When cleaning equipment or when using for any other purpose, prevent flammable vapor buildup by limiting amount used to a few ounces at a time. Gallon oblong metal can with carrying handle.