The current market oil according to the different base oil, can be simply divided into two kinds of mineral oil and synthetic oil, synthetic oil can be divided into semi-synthetic oil and synthetic oil.
1, mineral oil: mineral oil base is refined from crude oil, crude oil in the proposed oil and gas, gasoline, diesel oil, kerosene, heavy oil, then refined mineral oil base, and finally the bottom is asphalt.
Mineral oil color transparent microstrip light amber color, like salad oil color.
Mineral oils cost very little, but because the mineral oil base is easier to oxidize, the service life is about six months.
2, synthetic oil: (1) full synthetic oil: oil only contains PAO or ester synthesis, all are made of artificial oil by chemical means, its advantages are high cleanliness, strong mobility, good cooling ability, excellent antioxidant ability.
(2) Semi-synthetic oil: semi-synthetic oil refers to the addition of a part of mineral oil to synthetic oil, and the ratio of mineral oil and synthetic oil is 4:6.
It is characterized by both the advantages of synthetic oil and cheaper than synthetic oil, but the replacement cycle is shorter than synthetic oil.
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