High-Grade Copper Matte (70% Cu)
Converter matte containing approximately 70% copper, produced in the converting stage after matte smelting. HTS 7401.00.00.00 covers this intermediate product essential for producing copper anodes in fire refining.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If processed into copper-zinc matte
Brass production waste mattes classified by alloy composition under Chapter 74 bars/rod.
If roasted and containing molybdenum
Roasted molybdenite concentrates containing copper fall under Chapter 26.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Submit detailed matte specification sheets showing copper/iron/sulfur ratios to prevent reclassification
• Coordinate with customs on bulk handling requirements for molten matte shipments
Related Products under HTS 7401.00.00.00
Copper Matte from Smelting Operations
Copper matte is an intermediate product from copper smelting furnaces, consisting primarily of copper and iron sulfides with low precious metal content. It falls under HTS 7401.00.00.00 as a copper matte used in pyrometallurgical refining processes to produce blister copper.
Cement Copper Precipitate
Cement copper is precipitated elemental copper recovered from low-grade leach solutions using scrap iron in cementation process. Classified under HTS 7401.00.00.00 as precipitated copper, typically 50-80% pure, used as feed for further refining.
SX-EW Cement Copper Sludge
Precipitated copper sludge from solvent extraction-electrowinning (SX-EW) plant bleed streams, recovered via cementation. Falls under HTS 7401.00.00.00 as cement copper from hydrometallurgical operations.
Black Copper Matte
Initial matte product from copper smelting containing 40-50% copper, also called 'black copper' due to high iron content. HTS 7401.00.00.00 specifically includes all copper mattes regardless of grade.
Electrolytic Cement Copper
Cement copper precipitated in electrolytic tankhouse purification circuits using iron scrap. HTS 7401.00.00.00 covers this high-purity (80%+) precipitated copper used in anode casting.
Converter Blow Matte
Matte generated during final converting blow in Peirce-Smith converters, containing 72-78% copper. Falls under HTS 7401.00.00.00 as standard copper smelting intermediate product.