1.Rubber accelerator DM 2.powder/oil powder/granular 3.Dibenzothiazole disulfide ... this product is natural rubber, synthetic rubber, reclaimed rubber universal accelerator, in rubber easy dispersion, no pollution. Vulcanized rubber aging resistance ... usually and autumn lamb category, dithiocarbamate salts, silica gel kind, guanidine type accelerator and in order to improve activity, need to match with ...