1.       Accelerator M

Chemical name:  2-Mercapt0-benzothiazo1e

MF:C7H5NS2

MW:167.25

MP:178-180°C

Relative density:1.42

Properties: pale yellow or off-white powder,micro-smelly,non-toxic there is bitterness.Soluble in ethyl acetate,acetone,sodium hydroxide and sodium carbonate in dilute solution,soluble in ethanol,slightly aoluble in benzene.Do not dissolve in water and gasoline,storage stability.

Usage: widely used in natural rubber and synthetic rubber,with a broad vulcanization purposes,can be alone or with dithiocarbamate salts,thiuram type,guanidine type,and other alkaline accelerator used.The main adhesive tape used in the manufacture of tires,rubber shoes and other industrial rubber products.Doesnot apply to foods with a rubber system.