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
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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