CPB Dibutyl xanthogen disulfide Crompton-Uniroyal Chemical Catalysts / Accelerators / Vulcanizing agents Chloroprene Rubber (CR) Rubber - Elastomer (Chloroprene, Butyl …) CPB ® Accelerator dibutyl xanthogen disulfide Ultra-accelerator for natural, SBR, nitrile (Paracril ® ) rubbers and Neoprene rubbers. When activated with DBA, cures take place at room temperature overnight or in 20 to 30 minutes at 100 °C (212 °F). Nonstaining and nondiscoloring. Used in dipped goods, gums, druggists’ sundries, cements and latex goods. CPB® is a nondiscoloring and nonstaining low temperature ultra accelerator for natural, SBR, nitrile (e.g. Paracril®) and Neoprene rubbers. When activated with DBA, cures take place at room temperature overnight or in 20 to 30 minutes at 100ºC (212ºF). Nondiscoloring and nonstaining dibutyl xanthogen disulfide. Used as a low temperature ultra accelerator for natural, SBR, nitrile and neoprene rubbers. Can be activated with DBA.