Isinglass Fish Bladder Glue from Canada
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 — Canada → United States
13.8%
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
• 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