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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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