Isinglass Sheets
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.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If processed as inactive yeasts for fining
Chapter notes exclude yeasts from 3503 into heading 2102.
If when imported dissolved in liquid for direct wine use
Beverage processing aids in solution may classify as spirits preps.
If chemically modified enzymes added
Enzyme-based fining agents fall under 3507.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Certify pure animal bladder origin; mixtures may go to 2106 food preps
• Declare as non-enzymatic to avoid Chapter 34
Related Products under HTS 3503.00.55
Edible Gelatin Powder
Food-grade gelatin powder derived from animal collagen, used as a gelling agent in desserts, marshmallows, and yogurts. It falls under HTS 3503.00.55 as a gelatin derivative of animal origin, not prepared for therapeutic uses and excluded from chapter 30 medicaments. This classification applies to edible forms excluding yeasts or hardened proteins.
Sheet Isinglass for Clarification
Sheet form isinglass for clarifying liqueurs and beers. HTS 3503.00.55 explicitly includes isinglass in sheets. Animal origin, non-enzymatic.
Rabbit Skin Glue Flakes
Flaked rabbit skin glue for gilding and fine art. Classified HTS 3503.00.55 as animal glue other than casein. Traditional crafts use.
Colored Gelatin Leaves
Pre-colored rectangular gelatin leaves for decorative desserts. HTS 3503.00.55 allows surface-worked or colored sheets of animal gelatin. Food decorative use.
Hide Glue Granules
Granular hide glue from animal hides, used in violin making and restoration. Falls under HTS 3503.00.55 as other animal glues excluding casein, in non-sheet form. Not hardened or for printing.
Gelatin Dessert Leaves
Pre-cut leaf sheets of edible gelatin for home baking and desserts. Classified in HTS 3503.00.55 as surface-worked rectangular gelatin sheets of animal origin for food use. Excludes mixed products of Chapter 21.