CIMSTAR® 540 Metalworking Fluid, PailPail Semi synthetic metalworking fluid developed for use on ferrous and most non ferrous materials For use in light duty machining and grinding applications, such as milling, drilling, turning and surface grinding and on mild steels, stainless steels, hardened steels, ceramics and exotic metals Should not be used on magnesium alloys Good lubricity as the physical and chemical lubricant agents provide machining and grinding ability Oily residue keeps