Chemical Name: 2-(2'-hydroxy-3'-t-butyl-5'-methylphenyl)-5-chlorobenzotriazole
Trade name synonym:Tinuvin 326 (Ciba Specialty Chemicals ) , Lowilite 26(Great Lakes Chemicals)
CAS No .3896-11-5
Volatility Pure substance; TGA, heating rate 20 °C /min in air
Weight Loss (%)
Solubility At 20 °C (g/100ml solvent)
Sunsorb-326 is benzotriazole type absorber. It exhibits strong absorbance in the 290-400nm region. Also, it is one of the most excellent benzotriazole UV absorbs. Sunsorb-326 has a widely used in polyester, polyvinyl chloride, unsaturated polyurethane, styrene polymers, coatings and lacquers.
Unsaturated Polyester : 0.2-0.5wt%
Rigid PVC : 0.2-0.5wt%
Plasticized PVC : 0.1-0.3wt%
Polyurethane : 0.2-1.0wt%
Polyamide : 0.2-0.5wt% b
Packaging: 20kg net per carton or fiber drum
Storage and shipment: It is stable during storage and shipment, avoiding high temperature and humidity.