Isinglass Fish Bladder Glue from Japan
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 — 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
• 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