Air compressor special oil is not necessarily engine oil.
According to the different parts of the oil in the air compressor, the oil is not used. The special oil for conventional air compressors generally refers to the lubricating oil of the compressor, which is used for lubrication, cooling, sealing and shock absorption.
The main components of air compressor lubricating oil are base oil and additives, base oil can be mineral oil, can also be synthetic oil, and additives can increase the basic properties of lubricating oil, such as anti-oxidation, anti-wear, anti-rust and so on. When selecting special oil for air compressor, it is necessary to choose according to the type of air compressor, working conditions and environment.
For some special types of air compressors, such as oil-free air compressors, you need to use special lubricating oil, such as silicone oil.
In short, the special oil for air compressor is not necessarily oil, but a lubricating oil selected according to the type of air compressor, working conditions and environmental factors.