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.
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 product has been further processed to blister copper
Blister 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 converting process and copper content for CBSA verification
• Provide the smelting technology details if requested to confirm classification
• Be aware that high-grade mattes may be subject to additional scrutiny regarding their intended use
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.
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.
Electrolytic Cement Copper
Cement copper precipitated in electrolytic tankhouse purification circuits using iron scrap, with purity of 80% or more. Tariff item 7401.00.00 covers this high-purity precipitated copper used in anode casting.