Adopt refined mineral oil add anti - oxygen, anti - rust and other additives modulation. It has the characteristics of small carbon accumulation tendency, good oxidation stability and thermal stability. 

According to the center value of kinematic viscosity at 40℃, it can be divided into 32, 46, 68, 100 and 150 grades. 

Mainly used for medium and heavy load piston and drop rotary air compressor lubrication.