Why add additives to lubricating oil?
Why add additives to lubricating oil?
Lubricating oil base oils have the basic characteristics of lubricating oils and certain performances. However, they cannot produce lubricating oils with various performances that meet the requirements for use only by improving the processing technology of lubricating oils. In order to make up for the defects of certain properties of lubricating oil and to give the lubricating oil some new excellent properties, various additives with different functions should be added to the lubricating oil. The amount added is from a few parts per million to several tens of percent. The role of additives has two main aspects: one is to change the physical properties of the lubricating oil, such as viscosity, freezing point, etc.; the other is to increase or enhance the chemical properties of the lubricating oil, such as anti-oxidation and anti-corrosion. The use of lubricating oil additives not only meets the requirements of various new machinery and engines, but also extends the service life of lubricating oil, and reduces the proportion of lubricating oil demand in petroleum products.
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