ZDMC-80 / 75

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Rubber Accelerator ZDMC-80 / 75

CHEMICAL NAME: Zinc dimethyl dithiocarbamate
MOLECULAR FORMULA: C₆H₁₂N₂S₄ Z_n
MOLECULAR WEIGHT: 305.4
CAS NO: 137-30-4
CHEMICAL STRUCTURE:

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Specifications

Active Content(%)	80 / 75	Carrier	SBR/TPR
Appearance	White Granules	Melting Point	242℃ min
Mesh	100	Zinc Content	20.5-22.0%
Mooney Viscosity ML1+4 50℃	≤80	Heating Loss Content	0.5% max
Sulfur Element(%)	28.3	63µm Sieve Residue	0.5% max
Density(g/Cm³)	1.4
Composition	Mixture of 80% / 75% Zinc dimethyldithiocarbamate and 25% polymer and dispersing agent

Binder type can be customized. Except SBR/TPR, others binders, such as EPDM, NBR also can be available for.

Application

ZDMC is an ultrafast accelerator of natural and synthetic rubber such as EPDM, SBR, NBR.
Thiurams and thiazoles accelerator can delay the start of vulcanization and improve processing safety.
Compared to ZDBC, ZDEC and ZEPC, ZDMC has a longer scorching time and shorter curing time, alkaline accelerator can activate it. A little ZDMC is also an assistant accelerator of thiols or thiurams accelerator.
Its vulcanizate has excellent tensile strength and resilience. Heat resistance in NR and IR can be improved by using together with antioxidants.