Base Oil

Base Oil

The base oil is actually produced in an crude oil  refinery, but the main base oil material in the refineries, called Light Lub Cut and Heavy Lub Cut, is obtained from the distillation tower in the vacuum of the distillation unit. HLC, LLC are transported to the lubricants units by pipelines to obtain Mineral Base Oil of groups 1,2 and 3.

Types of base oils The sulfur content of mineral base oils is much higher and cheaper than synthetic base oils.

Synthetic base oils( group 4 : PAO & group 5 : ESTERS )are not contaminated due to the lack of sulfur and their life is much longer than mineral base oils.