Is 10w-40 Oil Fully Synthetic?

1 Answers
LaJameson
07/29/25 11:41am
10w-40 oil is fully synthetic oil. Here is the relevant introduction to synthetic oil: 1. Introduction: Synthetic oil is a man-made oil. During the production process, various natural substances are chemically decomposed and then synthesized with other substances to finally produce synthetic oil. Synthetic oil manufacturers produce various types of synthetic oil according to user requirements. In other words, depending on the purpose of use, synthetic oil can change various components. 2. Advantages: Synthetic oil has a wider temperature range, longer service life, and higher cost; for the same oil film requirements, synthetic oil can achieve it with lower viscosity, while mineral oil requires a relatively higher viscosity to meet such requirements. In the same working environment, synthetic oil has a much longer service life than mineral oil, so the cost is higher, but compared to the number of oil changes, it is not much higher than mineral oil.
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