High-Purity Tannic Acid 65% for Ink Manufacturing from Canada
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 — Canada → United States
11.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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