This product is a type II medium viscosity synthetic aviation lubricating oil refined from refined base oil and added a variety of additives. In line with the US military standard MIL-L-23699C specification. Performance characteristics: good high and low temperature performance, can meet the all-weather use requirements; Excellent high temperature oxidation resistance to reduce coking; Lower evaporation loss, reduce fuel consumption; Excellent lubrication performance to ensure the long-term operation of aircraft engines; Excellent bubble resistance, fully ensure the lubrication requirements of the engine.