Isinglass Sheets from Mexico
Thin, translucent sheets of isinglass from sturgeon swim bladders, used in fining beer and wine. HTS 3503.00.55 covers isinglass as an animal-origin glue derivative in sheet form, surface-worked or colored. Excludes enzymatic preparations.
Duty Rate — Mexico → United States
13.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Certify pure animal bladder origin; mixtures may go to 2106 food preps
• Declare as non-enzymatic to avoid Chapter 34