Zinc Dibutyldithiocarbamate (ZDBC) from Mexico
ZDBC serves as an ultra-accelerator in rubber compounding, particularly effective in low-sulfur systems for tire manufacturing. Classified under HTS 2930.20.90.20 as a dithiocarbamate principally used in rubber processing per Chapter 29 heading 2930.20 structure. It offers non-blooming properties ideal for high-quality rubber products.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6096.3%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
• Submit manufacturer specifications showing rubber vulcanization as principal application to distinguish from agricultural fungicide uses
• Ensure COA (Certificate of Analysis) confirms chemical purity meeting Chapter 29 separate compound requirements
• Avoid bulk packaging that could suggest pesticide formulation, maintaining classification as pure organo-sulfur compound