Zinc Diethyldithiocarbamate (ZDEC) from Japan
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 — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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