Tungsten Ore Roasting Residue from Mexico
Residue from roasting tungsten-bearing ores, primarily tungsten oxides and compounds. Classified in HTS 2620.99.20.00 for non-iron/steel slag used in metal or chemical compound production. Meets chapter note for industrial application.
Duty Rate — Mexico → United States
13.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Report assay quantity of tungsten per statistical note requirements
• Document roasting process to distinguish from ore slurries