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Zinc Diethyldithiocarbamate (ZDEC) from Mexico

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.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)

Import Tips

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