High-Grade Zinc Concentrate with Silver from Mexico
Premium zinc concentrate grading 30% Zn and 7% Ag from selective flotation, destined for electrolytic refining. Classified in HTS 2608.00.0040 for silver content in zinc ores. Assay-based reporting ensures accurate duty assessment.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include moisture content adjustments in assays for net metal reporting
• Ensure certificates of analysis from accredited labs to prevent customs disputes
• Bulk shipment only; retail packaging could misclassify as Chapter 26 residues