Carrollite Cobalt Copper Ore from China
Carrollite (CuCo2S4) is a thiospinel mineral yielding both cobalt and copper. It qualifies under HTS 2605.00.00.00 when cobalt is the principal valuable component per assay. Mined in Central Africa for battery-grade cobalt production.
Duty Rate — China → United States
25%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit value-based assays proving cobalt predominance for correct heading; track fluctuating copper:cobalt ratios in shipments
• Prepare for dual-metal origin declarations