SOC-4, produced in Sepahan Oil Company, is a paraffinic base oil with very high viscosity index (VHVI). The high quality of this product is the result of using selected feed and additional refining processes. This base oil is used in the production of a wide range of lubricants, including gasoline and diesel engine oils, gears, turbines, hydraulics, compressors and other industrial oils. The low sulfur content and the high percentage of saturated compounds and the high viscosity index value of 120 make this oil among group III oils according to the API classification. This oil is sold in bulk and in barrel, flexi and IBC packages.