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      Ultraviolet Absorbent  
      Antioxidant  
      Light Stabilizer  
      Fluorescent Whitening Agent  
      Other  
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    »  Ultraviolet Absorbent
    Ultraviolet Absorbent UV-329(UV-5411)
    Chemical Name 2-(2'- Hydroxy -5'-tert-octylphenyl)Benzotriazole
    Chemical Formula C20H25N3O
    CAS NO. 3147-75-9
    Structural Formula
    Main Indexes Appearance :White Powder
    Content: ≥99%
    Melting Point :101-106°C
    Ash: <0.1%
    Light Transmittance :440nm>97% 500nm>98%
    Characteristics and Uses This product is an excellent high-efficiency, aging-preventing agent, capable of absorbing the ultraviolet radiation of 270-340 nanometers, widely applied to PE,PVC,PP,PS,PC,polypropylene fiber, ABS resin, epoxy resin, resin fiber and ethylene -vinyl acetate etc. It can be applied to plastic containers and food packing boxes as packaging materials, provide them good light-stabilizing effect. Dosage:0.1-0.5% for thin products and 0.05-0.2% for thick products.
    Storing and Packing This product is nontoxic , fire-resistive, explosive-resistive, and well stable in storing. It is packed in cardboard drum lined with plastic bags with the net capacities of 25 kg and 50 kg; it can also be packed according to customers' requirements
     
                         
     

     
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