Chemical Name: 2-(3-tert-Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole Synonyms:2-(5-chloro-2h-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methylphenol Molecular Formula C17H18N3OCl Molecular Weight 315.5 Structure CAS Number 3896-11-5
Specification Appearance: light yellow small crystal Content: ≥ 99% Melting point: 137~141°C Loss on drying: ≤ 0.5% Ash: ≤ 0.1% Light transmittance: 460nm≥97% 500nm≥98%
Applications: Max absorption wave length range is 270-380nm. It mainly used to polyvinyl chloride, polystyrene, unsaturated resin, polycarbonate, poly (methyl methacrylate), polyethylene, ABS resin, epoxy resin and cellulose resin etc.
Dosage:. 1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight 2. PVC: Rigid PVC : 0.2-0.5wt% based on polymer weight Plasticized PVC : 0.1-0.3wt% based on polymer weight 3. Polyurethane : 0.2-1.0wt% based on polymer weight 4. Polyamide : 0.2-0.5wt% based on polymer weight
Package and Storage
25kg carton
Stored in sealed, dry and dark conditions
Other products of the UV Absorber Series, for example:
BP-1 (UV-0)
BP-2
BP-3(UV9)
BP-4
BP-5
BP-6
BP-9
BP-12(UV-531)
BP-P
UV-120
UV-234
UV-320
UV-327
UV-328
UV-329
(UV-5411)
UV-360
UV-571
UV-1084
UV-1164
UV-1577
UV-2908
UV-3030
UV-3039
UV-3638
UV-4050H
UV-5050H
UV-1
UV-2