Maxtop Screw air compressor oil (DAH) is made from a highly refined mineral base oil or a semi-synthetic base oil or a fully synthetic base oil, adding a variety of additives such as antioxidant, anti-rust, anti-wear and anti-foam. Designed for high temperature, high pressure and high load of compressor. The product has excellent oxidation stability, anti-wear and anti-rust properties, effectively reduce the wear of screw rotors, bearings and gears. At the same time, the excellent water separation performance can quickly separate the condensed water in the compressed air, prevent the lubrication failure caused by oil emulsification, and significantly improve the operation efficiency and life of the compressor.