Wolframite Ore from Mexico
Wolframite is a primary tungsten-bearing ore mineral, typically containing 60-75% WO3, mined from hydrothermal veins. It falls under HTS 2611.00.30.00 as a tungsten ore used directly for concentrate production without significant processing. The assay quantity of metal content is reported without deductions per statistical notes.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Report assay WO3 content precisely without deductions; obtain geological assay certificates from accredited labs
• Verify no roasting or chemical treatment to avoid reclassification as concentrates (2611.00.60)
• Ensure compliance with conflict mineral reporting for tungsten sources