Zinc Refinery Skimmed Slag Copper Bearing from Mexico
Skimmed residues from electrolytic zinc refineries, predominantly zinc with copper and arsenic, for recovery operations. HTS 2620.19.60.10 applies to such 'other' zinc-main slag with copper content, excluding municipal incineration per notes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Use certified lab assays for precise copper quantity reporting as required
• Differentiate from waste in bills of lading to prevent 2621 reclassification
• Bulk packaging preferred; retail packs may alter duty treatment