It is mainly used in natural rubber and synthetic rubber, and is a polluting antioxidant among p-phenylenediamine antioxidants, which has good antioxidant efficiency and excellent protection against ozone cracking and flexural fatigue. Its performance is similar to that of antioxidant 4010NA, but its toxicity and skin irritation is less than 4010NA, and its solubility characteristics in water are better than 4010NA. It is widely used in the preparation of industrial rubber products such as aircraft, bicycle, automobile tires, wire and cable, and adhesive tape, etc. The general dosage is 0.5-1.5%. The product is not suitable for the production of light-colored products because of more serious pollution. P-phenylenediamine antioxidant is the main excellent species commonly used in the rubber industry at home and abroad, but also the future direction of antioxidant development.