Tin-Bearing Pyrrhotite Concentrate from Mexico
A flotation concentrate derived from pyrrhotite deposits containing recoverable tin sulfides, with tin content around 2-5% after beneficiation. Classified under HTS 2609.00.00.00 as tin concentrates prepared for smelting, excluding roasted or calcined forms.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit detailed beneficiation process documentation and tin assay results; watch for misclassification as iron ore if pyrrhotite dominates
• Use ISPM-15 compliant packaging for bulk shipments to prevent contamination