As uv absorbent, this product is mainly suitable for polyester, epoxy acetate cellulose, polyvinyl chloride, polystyrene, plexiglass, polyacrylonitrile resin and so on. The maximum absorption wavelength range is 270-380nm.
Chemical name : 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
Introduction : UV-P is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-P protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of engineered plastics, elastomers, PVC, adhesives, and polyurethanes during outdoor weathering.
Empirical Formula : C13H11N30
CAS NO : 2440-22-4
Molecular Weight : 225.3
Appearance : slight yellow powder
Melting Range : 128-132 °C
Flashpoint : 205 °C
Specific Gravity(20 °C ) : 1.38g/cm3
440nm≥ 98 %
Solubility At 20 °C (g/100ml solvent)
Applications1. Unsaturated Polyester : 0.2-0.5wt% based on polymer weight2.PVC:Rigid PVC : 0.2-0.5wt% based on polymer weightPlasticized PVC : 0.1-0.3wt% based on polymer weight3.Polyurethane : 0.2-1.0wt% based on polymer weight4.Polyamide : 0.2-0.5wt% based on polymer weight