... is used for blending high class, high pressure, Ashless AW hydraulic oil. It have excellent AW, EP properties and oxidation stability ... base oil. This addpack is mainly used to blend hydraulic oil applied in more than 30Mpa ram pump, vane pump more than ... 14~17.5Mpa hydraulic system, which widely used in metallurgy, plastics, mineral and construction machineries. http://www ...