JYANOX-5057/L57 is an aromatic amine main antioxidant, which is a highly efficient liquid antioxidant. When used in combination with phenolic antioxidants such as JYANOX-1135, it has a very good effect in preventing the burning of polyurethane flexible foams. In addition, JYANOX-5057/L57 can also effectively control the increase of oil viscosity due to oxidation, widely used in various internal combustion engine lubricating oil, thermal oil, high temperature chain oil, compression oil and other industrial lubricating oil and fuel oil. It can also be used in other polymers such as elastomers and adhesives.