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ZDMC-80 / 75

Rubber Accelerator ZDMC-80 / 75

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

Rubber Accelerator ZDMC-80 STRUCTURE

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YLSCH Certificate

ISO-9001-Quality

ISO-9001 Certification

ISO-14001-Environment

ISO-14001 Certification

ISO-45001

ISO-45001 Certification

REACH Certification

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Integrated Granulator

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Environmentally-friendly

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Energy-saving Certification

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Absorption Tower

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Chemical Dust Removal

Specifications

Active Content(%)80 / 75CarrierSBR/TPR
AppearanceWhite GranulesMelting Point242℃ min
Mesh100Zinc Content20.5-22.0%
Mooney Viscosity ML1+4 50℃≤80Heating Loss Content0.5% max
Sulfur Element(%)28.363µm Sieve Residue0.5% max
Density(g/Cm³)1.4  
CompositionMixture 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.

Dosage

For NR: 0.6-1.0phr; As a secondary accelerator: 0.1-0.2phr.
For SBR/NBR: 0.6-1.2phr. As a secondary accelerator:
0.1-0.2phr. For EPDM: 1.5-2.5phr.

Packing & Storage

Net weight 25kg/PE bags lined carton; Net weight 600 kg/pallet.
Shelf-life: 12 months in its original packaging.
Stored in a dry and cool place.

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