Copper Matte Smelting Ash
Copper matte smelting ash is the ash produced during the smelting of copper matte, predominantly bearing copper compounds. It is used for the manufacture of copper chemicals or the extraction of copper. This ash, containing mainly copper and not from iron or steel, is classified under tariff item 2620.30.00.
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 ash contains arsenic, mercury, or thallium
Residues containing these metals are classified in subheading 2620.60.
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
• Provide a chemical assay to confirm copper is the main component
• Ensure the ash is not from iron or steel production
• Check if the ash contains hazardous substances requiring special permits
Related Products under Tariff item 2620.30.00
Converter Copper Slag
Converter copper slag is a byproduct of the copper smelting process, produced in converters where copper matte is refined. It contains mainly copper compounds and is used in industry for the extraction of copper or the manufacture of copper chemical compounds. This slag is not from the manufacture of iron or steel, so it falls under tariff item 2620.30.00.
Copper Anode Slime
Copper anode slime is a residue generated during the electrolytic refining of copper anodes, containing mainly copper along with precious metals such as silver and gold. It is used industrially for the extraction of copper and precious metals. As a residue containing mainly copper, it is classified under tariff item 2620.30.00.
Copper Dust Collector Ash
Copper dust collector ash is fine particulate matter captured from dust collection systems in copper processing plants. It consists mainly of copper compounds and is used for metal recovery or the manufacture of copper chemicals. This ash is a residue containing mainly copper, not from iron or steel manufacture, and is classified under tariff item 2620.30.00.
Copper Electrorefining Anode Slime
Copper electrorefining anode slime is a residue from the electrorefining of copper anodes, containing about 20% copper along with precious metals. It is used for the recovery of copper and precious metals. As a residue containing mainly copper, it is classified under tariff item 2620.30.00, provided it is not from iron or steel manufacture.
Copper Electrorefining Ash
Copper electrorefining ash is the residue produced during the electrolytic refining of copper, rich in copper content and used for metal recovery. It is a non-ferrous residue containing mainly copper, suitable for industrial extraction of copper or copper compounds. This ash falls under tariff item 2620.30.00 as it is not from iron or steel manufacturing.
Copper Furnace Residue
Copper furnace residue is the ash and slag left over from pyrometallurgical furnaces used in copper production. It contains mainly copper compounds and is used in industry for the extraction of copper or the manufacture of copper chemicals. As a non-iron/steel residue containing mainly copper, it is classified under tariff item 2620.30.00.