SpeedBlock 326

SpeedBlock 326 is a hydroxyphenyl benzotriazole type UV absorber for use in polymer processing and adhesives. SpeedBlock 326 is typically used at 0.1 - 0.5% depending on the processing conditions and end application.

CAS no. 3896-11-5
Chemical name 2-(5-chloro(2H)-benzotriazole-2-yl)-4-(methyl)-6-(tert-butyl)phenol