What is the Difference Between Mineral Oil and Full Synthetic Oil?

1 Answers
AlinaLee
07/28/25 6:03pm
Mineral oil and full synthetic oil differ in their base oils: The base oil used in mineral oil is a byproduct obtained after distilling useful light substances from crude oil, with the remaining residual tower bottom oil being further refined. In contrast, the base oil used in full synthetic oil is derived from propylene dispersed from crude oil's gas or natural gas, which then undergoes polymerization, catalysis, and other complex chemical reactions to form a lubricating fluid composed of large molecules. Engine oil, also known as engine lubricant, serves multiple functions such as lubrication and wear reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, and shock absorption. It is often referred to as the 'blood' of a car.
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