CSFC 326 2-(2'-Hydroxy-5'-methylphenyl)-benzotriazole 2440-22-4 China Scientific Fine Chemicals Light stabilizer / UV-absorber >> Benzotriazole Acrylic/Acrylate Resins Polyester >> Unsaturated Polyurethane Vinyl Coatings 2-(2'-Hydroxy-5'-methylphenyl)-benzotriazole It is a highly efficient UV-absorber for styrenic polymers, PVC, unsaturated polyesters, PU, acrylic polymers, polycarbonates, adhesives and coatings 2-(2'-Hydroxy-5'-methylphenyl)-benzotriazole. Used as UV-absorber for styrenic polymers, PVC, unsaturated polyesters, PU, acrylic polymers, polycarbonates and coatings.