Tiangang UV-531 is an efficient anti-aging additive with excellent performance, which can absorb ultraviolet light of 240-340 nm, and is light in color, non-toxic,Good compatibility, small migration and easy processing. It has the greatest protective effect on polymers, and helps to reduce color and delay yellowing at the same time.And prevent physical property loss. It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and ethylene vinyl acetate. But also for dry phenolic and alkyd varnishes, polyurethanes, acrylics, epoxies and other air-dried products, automobile refinishing paints, powder coatings, polyurethanes and rubber products, etc., which provide them with good light stabilization effect. The dosage is 0.1%-0.5%.