Is Castrol 10w40 Semi-Synthetic?
1 Answers
Castrol 10w40 is a semi-synthetic engine oil. Definition of semi-synthetic oil: Semi-synthetic oil is a type of automotive engine oil that uses semi-synthetic base oil. Vehicles using semi-synthetic oil typically require an oil change every 7,500 kilometers, whereas conventional oil usually needs to be changed every three months. Oil change and selection: The frequency of oil changes should be determined based on actual driving conditions and habits. In harsh driving environments, oil changes may need to be performed earlier. The timing of an oil change is not fixed and requires the car owner to make a reasonable choice. The type of engine oil should also be selected according to the recommendations in the vehicle's maintenance manual.