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                  Products

                  Ultraviolet absorber UV-329

                  Chemical name:2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole
                  Molecular formula:C20H25N3O
                  Structural formula:

                  Properties:
                  Properties and application:It is a white powder, melting point 101-106, soluble in benzene, styrene, ethye acetate, slightly soluble in ethyl alcohol, insoluble in water. It is a efficient light stabilizer, UV max:345nm, low volatility, used for polyetyrene, poly (methyl methacrylate), polyester and ABS resins and so on.
                  Specifications:
                  Appearance:
                  White powder
                  Melting Point
                  101-106οC
                  Volatile matter
                  ≤0.5%
                  Ash content
                  ≤0.05%
                  Transmissirity
                  440nm≥97% 500nm≥98%
                  Purity
                  ≥99%

                  Package: 25kg Carton

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