Calcined Alumina Waste Ash
Calcined alumina waste ash is the residue left after high-temperature calcination of alumina, containing residual aluminum compounds and trace arsenic from ore impurities. It is classified under this tariff item as a slag, ash or residue containing mainly aluminum, used in industrial processes 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 |
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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 arsenic content is significant and the ash is used for arsenic extraction
Subheading note 2 directs slag, ash and residues containing arsenic to 2620.60 when used for arsenic or metal extraction.
If the ash is from municipal waste incineration
Chapter note 3 excludes municipal waste incineration ash from heading 26.20, directing it to heading 26.21.
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 ash is not from iron or steel manufacturing, as that would fall under a different chapter
• Provide a certificate of analysis showing aluminum content and arsenic traces to support classification
• Check if the ash qualifies for duty relief under the Customs Tariff's industrial benefits programs
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.