Chemical Auxiliary

Item First grade Qualified grade
Appearance white or light gray powder white or light gray powder
Initial M.P≥ 142.0 140.0
Loss on drying%≤ 0.30 0.40
Ash%≤ 0.50 0.50
The CAS NO:137-26-8.
White or light gray powder.The density is 1.29.Soluble in benzene,acetone,chloroform,CS2 partly soluble in alcohol,diethyl ether,cc14 insoluble in water，gasoline and alkali with lower concentration.Meeting hot water becomes to dimethyl ammonium and CS2,Be sensitive to skin and peogaster.
Can be used as a single accelerator,as a secondary accelerator or as a sulphur donor in most sulphur-cured elastomers.Scorchy and gives fast cure rates.Produces an excellent vulcanisation plateau with good heat aging and compression set resistancein sulphurless and EV cure systems good color retention is obtained in non-black vulcanisation.A valuable secondary accelerator for EPDM.May be used as a retarder in the vulcanisation of polychloroprene rubber with ETU.
Its packing is 25kg plastic woven bag,paper with plastic film bag.
The product should be stored in the dry and cooling place with good ventilation,avoiding exposure of the packaged product to direct sunlight.The validity is 2 year.