At present, developed countries have proposed the first new specifications GF-3 and PC-9. Their emergence will accelerate this change. In the future, Class Ⅱ base oil will play a dominant role in internal combustion engine oil and automatic transmission fluid. GF-3 requires high viscosity index, low volatility and low cold start viscosity under the condition that the viscosity remains unchanged.
Only high-quality base oils of Class ò (commonly known as Class ò) and Class ó can meet the requirements of GF-3, but the cost of blending CF-3 with Class ó base oil is higher. At present, the European and American lubricating oil market has become saturated. In recent years, the output of lubricating oil has grown slowly, basically hovering at around 40Mt per year, and some countries are showing a downward trend. The quality of lubricating oil products has been greatly improved, and the service life is getting longer and longer, especially the replacement of internal combustion engine oil is very fast, about four years.
Suggestions for the development of China’s lubricating base oils. With the development of China’s economy, the demand for lubricating oils is increasing. It is expected that base oils produced by hydrogenation processes will be the direction of development in the 21st century and can basically meet market demand.
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