rubber accelerator cbs(cz) chemical name: n-cyclohexyl-2-benzothiazole sulfenamide synonyms: cz, cbs, delacs, accicure hbs molecular formula: c13h16n2s2 molecular weight: 264.42 apperance grayish white or light yellow powder, granular melting point c min 98.0 heating loss % max 0.30 ash content % max 0.30 residue(150m) % max 0.05 free amine %max 0.50 ioluble in methanol % max0.50 purity % min 97.0 application: cbs(cz) is an accelerator with high activity and has greatly delayed action, high anti-scorching quality, processing safety and short cure time. its activity can be reinforced by thiuram and dithiocarbamate type alkaline accelerato. mainly used in manufacture of tires, rubber shoes, rubber tube, cable and other technical rubber goods.