DELTA OIL GROUP Co is one of the leading suppliers of Virgin Base Oil Group I , Group II and Group III .
Group II base oils are characterized as being in excess of 90% soaks, under 0.03% sulfur and with a viscosity index of 90 to 120. They are regularly made by hydrocracking, which is a more intricate process than what is utilized for Group I base oils They have high saturation levels, and good performance in terms of thermal and oxidation stability. These oils are used in a large range of automotive and industrial applications.