High-Purity Tannic Acid 65% for Ink Manufacturing from Mexico
65% tannic acid powder from gallotannins, used as mordant in iron-gall ink production. HTS 3201.90.10.00 covers such concentrated vegetable tanning extracts, excluding coloring preparations of other headings.
Duty Rate — Mexico → United States
11.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify non-coloring use in invoice to differentiate from heading 3203/3205 pigments
• Test for iron content if gallnut-derived, as impurities affect classification purity