Antioxidant for natural rubber, styrene butadiene rubber, nitrile butadiene rubber and neoprene rubber. It has protective effect on heat, oxygen, flexure and crack, regardless of whether the rubber material is matched with carbon black. In the neoprene rubber has obvious thermal brittleness, and enhance the anti ozone aging protection ability. Mainly used in the manufacture of tires, inner tubes, cables, tape, rubber hose, rubber shoes, rubber floor, gasket and sponge products, the general amount of 0.5-2 copies.