Digenite-Sphalerite Mixed Concentrate from China
Mixed sulfide concentrate blending digenite copper mineral with sphalerite zinc, common in porphyry deposits. Reported under HTS 2608.00.0010 based on copper assay in zinc concentrates.
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%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide mine-specific grade certificates for consistent classification
• Beware reclassification if moisture content alters dry assay weights
• Coordinate with smelters for joint import permits if multi-metal