Roasted Zinc Ore Residue with Silver from Mexico
Ash-like residue from roasting zinc concentrates, rich in zinc with recoverable silver and arsenic traces, destined for hydrometallurgical recovery. Falls under 2620.19.60.40 as 'other' zinc-containing residues with silver content, per hierarchy excluding iron/steel origins. Industrial use only for metal extraction.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit detailed chemical composition report highlighting zinc majority and silver assay for accurate statistical reporting
• Confirm industrial extraction intent via end-user certificates to prevent misclassification as waste
• Watch for particle size documentation if coarse; avoid blending with iron residues to maintain 2620 eligibility