Base Oil Group 1

BASE OIL Group I refers to a classification of base oils used in the lubricant industry. Base oils are the primary components of lubricants and are derived from crude oil through a refining process. Group I base oils are the least processed among the five main groups (Group I, II, III, IV, and V), which are categorized based on their refining and chemical properties.

Group I base oils are typically produced by solvent refining, a process that involves the use of a solvent to remove impurities and undesirable components from the crude oil. This process results in base oils with relatively lower performance characteristics compared to higher-grade base oils.

Characteristics of Group I base oils include:

Higher levels of sulfur, nitrogen, and other impurities.
Lower viscosity index (VI) compared to higher-grade base oils.
Greater tendency to oxidize and form sludge at high temperatures.
Generally used in applications where lubricant performance requirements are less stringent.
Due to their lower quality and performance compared to higher-grade base oils like Group II, III, IV, and V, Group I base oils are often used in less demanding applications such as industrial lubricants, process oils, and certain automotive applications where cost is a significant factor.

It's important to note that advancements in refining technology have led to the development of higher-quality base oils in Group II, III, IV, and V, which offer improved performance characteristics and are better suited for modern high-performance lubricant applications.