How to distinguish between synthetic oil and mineral oil?

1 Answers
LaSilas
07/30/25 12:02am
Synthetic oil and mineral oil can be distinguished by checking the labels or specifications on the bottle. Synthetic oil has a low-temperature performance rating of 5W, while mineral oil has a low-temperature performance rating of 10W. Engine oil, also known as motor lubricant, consists of base oil and additives. The base oil is the main component of lubricating oil, determining its fundamental properties, while additives compensate for and improve any deficiencies in the base oil's performance. The main functions of engine oil are: 1. Reducing friction and high temperatures; 2. Cooling and lowering temperature; 3. Cleaning and purifying; 4. Damping and cushioning; 5. Preventing rust and corrosion.
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