1,Name: UV Absorber 3638 3638 2,CAS No.:18600-59-4 3,Appearance:White crystalline powder 4,Use:PET /PETG , Polyethylene Terephthalate, PC, Polycarbonate, Fibers and Textiles 5,Fuction:UV absorption Description: UV Absorber 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. Applications: 1. PET /PETG , Polyethylene Terephthalate 2. PC, Polycarbonate 3. Fibers and Textiles
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