Zinc Diethyldithiocarbamate (ZDEC)
ZDEC is an aromatic dithiocarbamate used as an ultra-accelerator in rubber vulcanization, promoting rapid cross-linking during processing. It falls under HTS 2930.20.2010 as a thiocarbamate/dithiocarbamate product principally used in rubber manufacturing. This white to cream powder enhances cure speed in natural and synthetic rubbers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aliphatic rather than aromatic structure
Aliphatic dithiocarbamates like zinc dibutyldithiocarbamate classify under the earlier aliphatic subheading.
If imported as formulated rubber accelerator mixture
Blends with fillers or stabilizers beyond Chapter 29 allowances fall into mixtures of chemicals.
If supplied as compounded rubber chemical preparation
Ready-to-use rubber processing preparations are classified by function rather than pure compound.
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Import Tips & Compliance
• Provide Safety Data Sheets (SDS) and confirm purity levels meet rubber industry standards to avoid reclassification
• Ensure proper HAZMAT labeling as it's a toxic chemical; common pitfall is insufficient transport documentation
• Verify end-use declaration as 'rubber processing' to qualify under this specific subheading
Related Products under HTS 2930.20.20.10
Piperidinium Pentamethylene Dithiocarbamate
A specialty rubber accelerator providing excellent scorch resistance in thick rubber articles. Falls under HTS 2930.20.2010 as an aromatic dithiocarbamate used principally in tire carcasses and conveyor belts. Its unique structure prevents premature vulcanization.
Zinc Dibenzyldithiocarbamate (ZBPD)
ZBPD serves as a delayed-action accelerator for rubber compounding, particularly effective in low-sulfur systems. Classified under HTS 2930.20.2010 due to its aromatic dithiocarbamate structure and primary use in rubber vulcanization. It provides scorch safety during processing of tires and belts.
Sodium Dibutyldithiocarbamate
This aromatic dithiocarbamate functions as both accelerator and activator in latex rubber processing. HTS 2930.20.2010 applies to its use in dipping and coating operations for gloves and balloons. The water-soluble powder facilitates sulfur vulcanization in aqueous systems.
Benzothiazyl-2-Dithiocarbamate (Benzothiazole Derivative)
This compound acts as a semi-ultra accelerator in EPDM rubber formulations for automotive parts. HTS 2930.20.2010 covers its aromatic dithiocarbamate nature despite benzothiazole ring. Provides balanced cure rate and aging properties.