Copper Electrorefining Anode Slime with Silver from Mexico
Slime residue from copper electrorefining anodes, primarily copper with significant silver content for precious metal recovery. HTS 2620.30.0040 applies to such copper-main slag/ash used industrially per heading 2620 notes. Silver assay reported statistically without deductions.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Provide electrorefining process certification to prove 'mainly copper' and industrial extraction purpose
• Use sealed containers to prevent contamination, ensuring compliance with residue handling regs