Rubber Accelerator TMTD Chemical Name Tetramethyl thiruam disulfide
(TMTD, TT, TMT)
Molecular Formula C6H12N2S4
Molecular Weight 240.40
CAS No. 137-26-8
Chemical Structure

Specification: ITEMS Top grade First grade
Appearance white or light grey powder, oil treated, granular form
Initial Melting Point ºC≥ 142.0 140.0
Ash %≤ 0.30 0.40
Heating Loss %≤ 0.40 0.50
Residue on 100mesh (150μm) sieve %≤ 0.0 0.1

* The product could be oiled and pelleted upon customer request.

Properties:
Without odour and poison. Stimulative to the skin and the respiratory tract. Soluble in chlorlfom acetone, methylene chloride, benzene; not easily soluble in carbon tetrachloride, ethyl acetate; insoluble in water and gasoline.

Application:
TMTD can be used as a single accelerator, as a secondary accelerator or as a sulfur donor in most sulfur-cured elastomers. TMTD is scorchy and gives fast cure rates. In sulfurless and EV cure systems TMTD produces an excellent vulcanization plateau with good heat aging and compression set resistance. Good color retention is obtained in non-black vulcanizates. TMTD is a valuable secondary accelerator for EPDM. In the vulcanization of polychloroprene rubber with N,N’-ethylene thiourea, TMTD may be used as a retarder.

Package:
25kg N.W./bag, in plastic fabric laminated kraft bags lined with plastic bags.

Storage:
stable indefinitely under normal storage conditions.

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HUANGYAN ZHEDONG RUBBER AUXILIARY CO., LTD[China]

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