Isinglass Fish Bladder Glue
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If yeast-based fining agent instead of animal-derived
Chapter notes exclude yeasts from 3503, directing to inactive yeasts in 2102.
If for industrial chemical preparations not purely animal glue
Mixed-use clarifiers may enter as chemical preps if not predominantly gelatin/isinglass.
If sold as animal feed additive
End-use shift to animal nutrition changes from glues to feed preparations.
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Import Tips & Compliance
• 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
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