Alumina Refinery Spent Pot Lining Residue
Carbonaceous residue from electrolytic reduction cells in aluminum smelting, rich in aluminum compounds, fluorides, and cyanides. This material is a slag or residue containing mainly aluminum, used industrially for metal recovery or chemical compound manufacture.
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 the residue contains arsenic, mercury, thallium or their mixtures in significant amounts
Subheading note 2 directs such residues to 2620.60 regardless of aluminum content.
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
• Ensure the residue is not from iron or steel manufacture, as those fall under different headings
• Provide a certificate of analysis showing aluminum content to support classification
• Check if the material contains hazardous substances requiring special import permits
Related Products under Tariff item 2620.40.00
Alumina Refinery Arsenic-Bearing Slag
Slag from alumina refineries containing primarily aluminum hydroxides with arsenic impurities and metal traces, generated during purification. This non-iron/steel slag is mainly aluminum and used for metal extraction.
Alumina Refinery Vanadium Slag
Slag byproduct from alumina refineries containing vanadium compounds within a predominantly aluminum matrix. This residue is used in metal extraction industries and falls under this tariff item as it contains mainly aluminum.
Aluminum Anode Butt Residue
Carbon residue from consumed pre-bake anodes in aluminum electrolysis, coated with aluminum compounds and bath materials. This residue is mainly aluminum-containing and used for industrial metal or chemical recovery.
Aluminum Ash with Vanadium Compounds
Ash residues from aluminum processing containing vanadium bearing materials with a mainly aluminum composition. This ash is used industrially for vanadium extraction or chemical compound manufacture, fitting this tariff item.
Aluminum Dross Residue
Skimmed oxide-rich residue from molten aluminum recycling or secondary production, primarily aluminum oxide with trapped metals. This dross residue is a slag-like material containing mainly aluminum, used industrially for metal recovery.
Aluminum Electrolysis Vanadium Residues
Residues from aluminum electrolysis cells containing vanadium impurities with a mainly aluminum composition. These residues are used in industrial recovery and fit the scope of this tariff item for non-steel slag and ash.