Tungsten Smelting Slag from Mexico
Residue from the smelting process of tungsten ores, primarily consisting of tungsten compounds and minor metal impurities. Classified under HTS 2620.99.20.00 as slag containing mainly tungsten, used in industry for metal recovery or chemical manufacturing. Excludes iron/steel production residues.
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
• Provide assay certificates verifying tungsten as the main metal content per statistical notes
• Ensure documentation proves industrial use for metal extraction to avoid misclassification
• Avoid common pitfalls like confusing with municipal waste ash (HTS 2621)