BASE OIL - Koole Terminals
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Base oil

Koole is an excellent partner for the storage and handling of base oils, both paraffinic and naphthenic. Koole is able to store and blend all categories of base oils. All manipulations use dedicated pipelines and tanks.

 

Base oils, the five categories

 

Group I base oils are generally a mix of different hydrocarbon chains with little or no uniformity. These oils are the least refined. They contain less than 90 per cent saturates and/or greater than 0.03 per cent sulphur and have a viscosity index greater than or equal to 80 and less than 120.

 

Group II  base oils are common in mineral-based motor oils. They are mainly used for their lubricating properties. They contain greater than or equal to 90 per cent saturates and less than or equal to 0.03 per cent sulphur and have a viscosity index greater than or equal to 80 and less than 120.

 

Group III base oils are subjected to the highest level of mineral oil refining of the base oil groups. They offer good performance across a wide range of attributes. These oils have good molecular uniformity and stability. Group III base stocks contain greater than or equal to 90 per cent saturates and less than or equal to 0.03 per cent sulphur and have a viscosity index greater than or equal to 120.

 

Group IV base stocks are Poly Alpha Olefins (PAOs), which are chemically engineered synthetic base stocks. These offer excellent performance across a wide range of lubricating properties when combined with additives. They have very stable chemical compositions and highly uniform molecular chains. Group IV base oils are becoming more common in synthetic and synthetic-blend products for automotive and industrial applications.

 

Group V base stocks include all other base stocks not included in groups I, II, III, and IV. They are used primarily in the creation of oil additives. They add beneficial properties to other base oils.