Isinglass Fish Bladder Glue from China
Traditional isinglass derived from sturgeon swim bladders, used as a clarifying agent in wine and beer production. It qualifies under HTS 3503.00.55.50 as an animal-origin glue, explicitly named in the heading and not covered by Chapter 21 exclusions.
Duty Rate — China → United States
23.8%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Obtain CITES permits if from protected fish species like sturgeon to prevent wildlife trade violations
• Label as 'isinglass' distinctly from synthetic clarifiers to maintain classification integrity