Aluminum Smelter Bauxite Residue (Red Mud)
Red mud, the alkaline waste residue from the Bayer process in aluminum production, containing mainly aluminum compounds along with arsenic and other metals like iron and titanium. This product is classified under tariff item 2620.40.00 as it is a residue containing mainly aluminum, not from iron or steel manufacture, and is used for metal or compound recovery.
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 |
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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 red mud contains arsenic, mercury, thallium or their mixtures
Subheading note 2 requires classification in 2620.60 for residues containing these metals.
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
• Since the red mud contains arsenic, verify whether subheading 2620.60 applies instead, as subheading note 2 directs arsenic-containing residues there
• Provide a full chemical analysis to support classification
• Check for any environmental permits required for importing arsenic-bearing waste
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. It is classified under tariff item 2620.40.00 for non-iron/steel slag or residues mainly of aluminum.
Alumina Refinery Spent Pot Lining Residue
Spent pot lining residue from aluminum smelting electrolytic cells, containing mainly aluminum compounds along with fluorides and cyanides. This residue is classified under tariff item 2620.40.00 as it is a slag or ash containing mainly aluminum, not from iron or steel manufacture, and is used industrially for metal or chemical recovery.
Alumina Refinery Vanadium Slag
Slag byproduct from alumina refineries containing vanadium compounds, predominantly aluminum matrix. It is classified under tariff item 2620.40.00 as a residue used in metal extraction industries, aligning with heading 26.20 note (a).
Aluminum Alloy Casting Residues
Casting residues from aluminum alloy production, mainly aluminum with arsenic and other metals from fluxing. Tariff item 2620.40.00 applies for other containing mainly aluminum slag or residues, not from iron or steel, eligible for metal extraction.
Aluminum Anode Butt Residue
Carbon residue from consumed pre-bake anodes in aluminum electrolysis, coated with aluminum compounds and bath materials. It is classified under tariff item 2620.40.00 because it contains mainly aluminum and is used for industrial metal or chemical recovery.
Aluminum Anodizing Process Residues
Residues from aluminum anodizing baths, mainly aluminum compounds with arsenic contaminants from wastewater treatment. It is classified in tariff item 2620.40.00 as other containing mainly aluminum slag, ash or residues with metals or arsenic.