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7402.00.00.00/Hydromet Copper Precipitate/Mexico

Hydromet Copper Precipitate from Mexico

Copper precipitate from hydrometallurgical solvent extraction-electrowinning operations. Classifies under HTS 7402.00.00.00 as unrefined copper when purity insufficient for direct cathode production. Requires fire refining prior to electrolysis.

Duty Rate — Mexico → United States

0%

Rate breakdown

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

• Provide SX-EW flow sheets documenting precipitation point in hydromet circuit

• Chemical analysis must show impurities requiring fire refining step

• Wet precipitate requires special packaging/drying declarations