Ultraviolet Absorbentt UV-326

Ultraviolet Absorbentt UV-326

Chemical name:2-(2'-hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole 
CAS NO.:3896-11-5 
Molecular formula:C17H18N3OCL
Appearance:Light yellow crystalline powder 
Melting point:137 £ -141 °C 
Properties and application: 
Raviolet radiation with the wavelength of 270-380 nanometers, mainly applied to polyvinyl chlornamee, polystyrene, unsaturated resin, polycarbonate, poly (methyl methacrylate), polyethylene, ABS resin, expoxy resin and cellulose resin. This product almost does not absorbing visible light, particularapplicable to colorless trasparent products and colored products.
Dosage:0.1-0.5% for thin products and 0.05-0.2% for thick products. It is allowed to be applied to plastic products for packing foods.

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