Alginic Acid Powder from China
Alginic acid, extracted from brown seaweed, is a natural polymer in primary powder form used in food gelling and pharmaceutical encapsulation. It is classified in HTS 3913.90.5000 as a natural polymer not elsewhere specified.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Include extraction certificates proving natural origin from algae; ensure no propylene glycol modification to avoid 3913.10; comply with US food contact regulations via prior notice filing