ULTROVIOLET ABSORBER UV-531
This product is light yellow powder. Its molecular weight is 326 while melting point is 47-49℃. It can be dissolved in solvent such as ethanol. This product can intensely absorb the ultraviolet radiation in band of 270-330nm. It low volatilizes, possessing good property of compatibility with polyolefin with good performance under high temperature processing. 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 and 2246. The general using rate is 0.1-0.3%.
Chemical name: 2-Hydoxy-4-n-Octyloxy-Benzophenone
Structure:
CAS NO. : 1843-05-6
FORMULA. : C21H26O3
MOL WT.: 326.44
PRODUCT STANDARD: Q/12 HG 5507-2018
Quality Index:
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 25 kg. We can also pack according to our customers' requests.