High-Purity Tannic Acid 65% for Ink Manufacturing from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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