Antioxidant at168 is a kind of auxiliary antioxidant, soluble in benzene, chloroform, slightly soluble in ethanol, insoluble in water. It is often used in combination with antioxidant 1010, 1076 and other phenolic antioxidants. It has good synergistic effect and can improve processing performance. It is widely used in polyethylene, polypropylene, polycarbonate, ABS resin, etc.