ULTROVIOLET ABSORBER UV-327
This product is light yellow powder. Its molecular weight is 358 while melting point is 154-158℃. It can be dissolved in solvents such as styrene, benzene and toluene. This product can intensely absorb the ultraviolet radiation in band of 300-400nm with absorbing peak value as 353nm. It volatilizes little, has good compatibility with polyolefin. It can stand high temperature processing, with good performance of keeping color and washing-resistance. It is suitable for PE, PP, PVC, polymethyl methacrylate, polyformaldehyde，polyoxymethylene, unsaturated polyester, polyurethane, ABS resin, natural rubber, synthetic rubber, latex and paint. It shows notable synergetic results when being used together with antioxidants, especially together with DLTDP. The general using rate is 0.1-0.3%.
Chemical name : 2-（2'-Hydroxy-3',5'-di-tert- Butyl Phenyl）-5-Chlorobenzotriazole
MOL WT. : 357.89
PRODUCT STANDARD : Q/12 HG 3557-2018
Storing: This product should be stored in shady, cool and ventilating place, kept from wet and heat during storage and transportation.
Packing: This product is packed in cartons with plastic lining or in compound paper bags with net weight of 20 kg. We can also pack according to our customers' requests.