Chemical formula:C21H26O3 CAS NO. :1843-05-6 Main indicators
pure yellow acicular crystal
Properties and purpose: Ultraviolet light absorber UV-531 is an efficient anti-aging assistant with outstanding performances that can absorb 240-340 nanometers of UV-light that features characteristics of shallow light, innocuity, good compatibility, low mobility and liability to be processed. It can protect polymer and help reduce colors and luster. Also, it can suspend yellow discoloration and retardant loss of physical properties. It is widely used in PE, PVC, PP, PS, PC, organic glass, polypropylene fiber and ethylene nikasol. It also provides good effects of lighting stability for dry phenolic aldehyde, alkyd varnish, polyurethanes, crylic acid, opoxy and other air drying products as well as automobile renovation paint, powder paint, polyurethane and rubber products. Its content is 0.1-0.5%. Storage and package: Ultraviolet light absorber UV-531 is nontoxic, nonflammable, nonexplosive and non-corroding with good storage stability. It is packaged in fiber can inner plastic bag and its net weights include 25 kg and 50 kg or can be designed according to consumers’ demands.