This product is a good rust inhibitor, having good oil solubility and rust inhibition to black metals; There will be good affection if complex this product with sulphonate together. This product also has light function and emulsifying capacity to oil products. It can be used to modulate process rust prevention and mothball rust prevention. Otherwise, it can be used as emulsifier in metal working oil, diffusant in lubricant oil, and ministrant brightening agent in quench oil.