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