What is the difference between synthetic and semi-synthetic motor oil?

1 Answers
VanSara
07/30/25 9:02am
There are the following differences between synthetic and semi-synthetic motor oil: 1. Semi-synthetic oil: A product purified from mineral oil through hydrocracking technology, it is a mixture of mineral oil and fully synthetic oil in a 4:6 ratio. The purity of semi-synthetic oil is very close to that of fully synthetic oil, but its cost is slightly higher than that of mineral oil, making it an ideal transitional product from mineral oil to synthetic oil. 2. Fully synthetic oil: Fully synthetic oil is a high-grade product among motor oils. It is derived from ethylene and propylene dispersed from natural gas or gas from crude oil, and then undergoes complex chemical reactions such as polymerization and catalysis to form a lubricating fluid composed of large molecules.
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