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Rubber Accelerator TMTD

  • Type:

    Rubber Accelerator TMTD

  • Molecular:


  • CAS NO:


  • Applications:

    It can be used as a single accelerator, as a secondary accelerator or as a sulphur donor in most sulphur-cured elastomers.

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Chemical Name : Tetramethyl thiuram disulfide

Molecular Formula: C6H12N2S4

Molecular Structure:


Molecular Weight: 240.43

CAS NO. : 137-26-8

Executive standardHG/T 23342007


Product Name



Initial M. P, ℃≥

Loss on drying,  

Ash, %

Residues on sieve(150μm),


First Class

White or light grey powder or granules





Qualified Class





Properties: White, light gray powder or granular. The density is 1.29. Soluble in benzene, acetone, chloroform, CS2 partly soluble in alcohol, diethyl ether, CCI4 insoluble in water, gasoline and alkali with lower concentration. Meeting hot water becomes to dimethylamine  ammonium and CS2. Be sensitive to skin and pneogaster

Application: 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 resistance in 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 and also be used as bactericide and pesticide.

Packaging: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag.

Storage: 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 years.

Note: The product could be ultrafine powder based on customer accurate requirement.

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