What does PAO fully synthetic engine oil mean?

1 Answers
AnaDella
07/30/25 6:46am
PAO fully synthetic engine oil is a high-quality lubricant product made from 100% PAO (polyalphaolefin) or artificially synthesized esters. It is derived from ethylene and propylene dispersed from natural gas in crude oil or natural gas, and undergoes complex chemical reactions such as polymerization and catalysis to refine into high-molecular lubricants. Its characteristics include: 1. Fully synthetic oil has better high and low-temperature performance; 2. It has a longer oil change interval; 3. It is suitable for more severe vehicle conditions. Engine oil is a lubricant that plays vital roles in the engine, including lubrication, cleaning, cooling, sealing, reducing wear, vibration damping, and rust and corrosion prevention. Currently, there are three types of engine oils on the market: conventional mineral oil, semi-synthetic oil, and fully synthetic oil.
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