Crab Shell Chitin Waste
Crab shell chitin waste, consisting of pre-extraction shells with residual protein, unfit for human consumption. These crustacean waste products from Chapter 3 are classifiable under 0511.91.00 as dead aquatic animal products. Raw material intended for chitin processing before chemical conversion.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 shells are mixed with other animal waste
Mixed waste products may be classified under the residual heading for animal products.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document that the shells are raw and unprocessed, with residual protein, to confirm classification under 0511.91.00
• Ensure the product is not chemically treated, as that may shift classification
• Verify CFIA requirements if the waste is for animal feed applications
Related Products under Tariff item 0511.91.00
Clam Processing Waste
Clam processing waste consisting of guts, shells, and siphons from clam harvesting, contaminated and unfit for human consumption. These are mollusc products of Chapter 3, classifiable under tariff item 0511.91.00 as dead aquatic animal products. Used in fishmeal production or composting.
Dead Frozen Tuna
Dead frozen tuna, whole fish rejected as unfit for human consumption due to quality issues, intended for rendering. These dead fish products from Chapter 3 are classifiable under 0511.91.00 as dead animals of Chapter 3. Distinct from prime frozen tuna classified under heading 0303.
Dead Lobster Carcasses
Dead lobster carcasses, empty shells and bodies post-meat extraction, unfit for human consumption. These crustacean waste products from Chapter 3 are classifiable under 0511.91.00 as dead aquatic animal products. Commonly used as bait in fisheries.
Dead Whole Crabs
Dead whole crabs, unfit due to disease or spoilage, rejected for human consumption, intended for rendering or bait. These crustacean products from Chapter 3 are classifiable under 0511.91.00 as dead animals of Chapter 3. Excludes fresh or preserved edible crabs under Chapter 3.
Dried Fish Maws
Dried fish maws, swim bladders from fish such as croaker or sturgeon, used in traditional cuisine and as gelatin sources. These are products of fish unfit for direct human consumption in their raw form, classifiable under 0511.91.00. The drying process preserves them for further processing.
Fertilized Barramundi Eggs
Fertilized barramundi eggs, viable eggs from Asian sea bass, intended for marine aquaculture hatching. These are products of fish from Chapter 3, classifiable under 0511.91.00 as dead animals of Chapter 3 unfit for human consumption. Essential for aquaculture expansion.