Description of Iranol Alvand engine engine oil has been produced using paraffinic base oil derived from shear refining of crude oil and suitable additives with anti-corrosion and corrosion inhibiting properties. Suitable for use in non-supercharged lightweight gasoline and diesel engines where high quality levels are recommended. Properties. Suitable for anti-oxidation and thermal stability. Cleansing properties to reduce combustion and oxidation sediment. Anti-corrosion properties for control. Erosion of engine components. Neutralizing properties of acids from oxidation and combustion to prevent corrosion of engine components.