Black Copper Matte from Japan

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.

Duty Rate — Japan → United States

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))

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Import Tips

• Provide blast furnace charge documentation showing copper concentrate origins

• Monitor for reclassification as iron pyrite cinders if iron exceeds copper content

• Ensure proper classification vs. similar lead-copper mattes under 7801