Ultraviolet Light Absorber UV326

Ultraviolet Light Absorber UV326

Ultraviolet Light Absorber UV326 is mainly used for PVC, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, epoxy resin etc.
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Product Details

Ultraviolet Light Absorber UV326
CAS NO.:3896-11-5

Chemical Name:2-(3-tert-Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole
Formula:C17H18ClN3O


Molecular Weight:315.80
Appearance:Light yellow crystalline powder
Melting Point:144-147℃

Volatile Matter:≤0.5%
Relative Density:1.39g/cm3
Weight Loss Point:230℃(5.0%)
Light Transmittance:460nm: ≥98.0%;500nm: ≥99.0%
Ash Content:≤0.1%

Solubility:Soluble in toluene, styrene; slightly soluble in methanol; insoluble in water


Features and Application Area:It is mainly used for PVC, polystyrene, unsaturated resin, polycarbonate, polymethyl methacrylate, polyethylene, ABS resin, epoxy resin etc.


Cautions:Avoid direct sunlight, moisture, high temperature.Testing required before use


Pack & Store:25kg carton inner with plastic bag or  as customer's requirement


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