Chemical Name: 2-(3-tert-Butyl-2-hydroxy-5-methylphenyl)-5-chloro-2H-benzotriazole
CAS NO.:3896-11-5
Molecular Formula：C17H18N3OCl
Molecular Weight：315.5

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%

Application
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.

Usage:
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
1.25kg carton
2.Stored in sealed, dry and dark conditions