Stockpile Tungsten Ore from Mexico
Aged surface stockpile ore blending scheelite/wolframite grades, 1-3% WO3, from mine waste reprocessing. HTS 2611.00.30.00 for raw stockpiled tungsten ores. No deductions in metal content stats.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Stockpile blending records prove uniformity for customs sampling
• Weathering may require re-assay for oxidation losses
• Avoid 'tailings' labeling triggering waste regs