SpeedBlock 326 by Lambson (Sartomer) is a 2-(5-chloro(2H)-benzotriazole-2-yl)-4-(methyl)-6-(tert-butyl)phenol. Acts as a UV absorber. Offers broad range UV protection with an absorption band width... view more

SpeedBlock 327 by Lambson (Sartomer) is a 2,4-di-tert-butyl-6-(5-chloro-2H-benzo-triazol)-phenol. Acts as a UV absorber. It has absorption bands in the 200-230nm & 300-360nm ranges. It has very low... view more

SpeedBlock 328 by Lambson (Sartomer) is a 2-(2H-benzotriazol-2-yl)-4,6-ditertpentylphenol. Acts as a UV absorber. Compatible with styrene homo- and co-polymers, acrylics, unsaturated polyester... view more

SpeedBlock AO1 by Lambson (Sartomer) is a tetrakis[methylene(3,5-di-tert-butyl-4-hydroxyhydro-cinnamate)]methane. Acts as a sterically hindered phenolic antioxidant. A non-polluting, non-toxic... view more

SpeedBlock AO2 by Lambson (Sartomer) is a tetrakis[methylene(3,5-di-tert-butyl-4-hydroxyhydro-cinnamate)]methane. Acts as a sterically hindered phenolic antioxidant. A non-polluting, non-toxic... view more

SpeedBlock UV-P by Lambson (Sartomer) is a 2-(2H-benzotriazol-2-yl)-p-cresol. Acts as a ultraviolet light absorber (UVA) OF hydroxyphenyl benzotriazole class. Imparts good light stability & UV... view more