Ultraviolet absorbent UV 3638 Ultraviolet absorbent UV- 3638 Offers very strong and broad UV absorption with no color contribution. Possesses very good stabilization for polyesters and polycarbonates. Provides low volatility. Imparts high UV screening efficiency.
Chemical composition Synonym: 2,2'-(1,4-phenylene)bis[4H-3,1-benzoxazin-4-one] CAS No. 18600-59-4 Molecular weight 368.34
Applications 1. PET / PETG , Polyethylene Terephthalate 2. PC, Polycarbonate 3. Fibers and Textiles
Technical data:
Packing: 25kgs carton
Storage and Handling: Avoid high temperature, stored in a cool dry place, pay attention to ventilation.