Noranda Copper Matte
Matte from the Noranda continuous reaction/submerged arc furnace process, with 72% copper content. Tariff item 7401.00.00 applies to all copper sulfide fusion products regardless of reactor design.
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 further processed to unrefined copper
Unrefined copper is classified under heading 7402.
If refined to at least 99.85% copper
Refined copper falls under heading 7403.
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 the Noranda process and copper content for CBSA classification
• Provide the reactor design details if requested to confirm the product is a matte
• Ensure the product is not contaminated with materials that would change its classification
Related Products under Tariff item 7401.00.00
Ausmelt Copper Matte
Copper matte produced via Ausmelt submerged lance smelting, typically containing 65-75% copper. This intermediate product of copper smelting falls under tariff item 7401.00.00 as a copper matte, regardless of the proprietary smelting method used.
Bioleach Cement Copper
Cement copper precipitated from bio-oxidation heap leach solutions using bacterial pre-treatment. This hydrometallurgical product is classified as cement copper under tariff item 7401.00.00, which includes precipitated copper recovered from leach solutions.
Black Copper Matte
Black copper matte, an initial product from copper smelting containing 40-50% copper with high iron content. Tariff item 7401.00.00 includes all copper mattes regardless of grade, so this product falls within the heading.
Cement Copper Precipitate
Cement copper precipitate recovered from low-grade leach solutions using scrap iron in a cementation process. This product, typically 50-80% pure copper, falls under tariff item 7401.00.00 as precipitated copper.
Converter Blow Matte
Matte generated during the final converting blow in Peirce-Smith converters, containing 72-78% copper. This standard copper smelting intermediate product falls under tariff item 7401.00.00 as copper matte.
Copper Matte from Smelting Operations
Copper matte, an intermediate product from copper smelting furnaces, consisting primarily of copper and iron sulfides with low precious metal content. This product falls under tariff item 7401.00.00 as a copper matte used in pyrometallurgical processing.