Great Wall Special 3/4/5 precision instrument oil is made of silicone oil and low-freezing point synthetic oil, which correspond to the corresponding grades in Russia. These three oils are widely used in aviation instruments, micro-motor bearings, etc.

Special 3/4/5 precision instrument oil performance characteristics:Excellent high and low temperature performance, can adapt to a wide temperature range, has been adapted to the all-weather operation requirements of various aircraft; good thermal stability, no deterioration; small evaporation loss, long life; stable and continuous oil film, good shear resistance.