Chemical name : 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole

Introduction : UV-P is a benzotriazole type ultraviolet lightabsorber (UVA), imparting good light stability for plastics andother organic polymers. UV-P protects polymers as well as organicpigments from UV radiation helping to preserve the originalappearance and physical integrity of engineered plastics,elastomers, PVC, adhesives, and polyurethanes during outdoorweathering.

Empirical Formula : C13H11N30

CAS NO : 2440-22-4

Structure :

Physical Properties
Molecular Weight : 225.3
Appearance : slight yellow powder
Melting Range : 128-132 °C
Flashpoint : 205 °C
Specific Gravity(20 °C ) : 1.38g/cm3
Transmissirity:
           440nm≥ 98 %
           500nm≥ 99%
Applications
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