Ultraviolet absorbent UV-326 has good compatibility with many kinds of resins, is insensitive to metal ions, does not change yellow under alkaline conditions, and the loss of heat volatilization is small. It can effectively absorb ultraviolet rays with 270~380nm wavelength. It has synergistic effect with antioxidants, and it also has anti-oxygen resistance. This product is suitable for polyolefin (especially food grade products), polyvinyl chloride, polyamide, ABS resin, as resin and polyurethane, etc.