The HMT PREMIUM INDUSTRIAL MACHINE OIL range of machine oils are manufactured using highly refined paraffinic base oils. A range of highly refined, non-additive general-purpose mineral oils. They exhibit extremely good oxidation stability and resist the formation of harmful gums and lacquers. The lower viscosity oils are suitable for circulatory and total loss applications and the higher viscosity grades are suitable for gear systems where non-EP oil is specified. HMT PREMIUM INDUSTRIAL MACHINE OIL is suitable for use as a spark erosion fluid.