UV-531 can absorb 240-340 nm ultraviolet light, making it an excellent and efficient anti-aging additive. It has a great protective effect on polymers, helping to reduce color, while delaying yellowing and blocking physical property loss. Application UV-531 is a high-efficiency anti-aging additive with excellent performance, which can absorb 240-320nm nanometer ultraviolet rays, and has the characteristics of light color, non-toxicity, good compatibility, and easy processing. It is widely used in PE, PVC, PP, PS, polyurethane, rubber products, etc. Good compatibility with resin and low volatility. The recommended dosage is 0.1%--0.5%. UV-531 acts as a UV absorber ,finds application in formulating color cosmetics and hair-, sun- and body care products.