Fresnillo Proaño Silver Ore from Mexico
Polymetallic ore from Fresnillo's Proaño mine in Mexico featuring primary silver mineralization at 250 g/mt. HTS 2616.10.0040 classification based on dominant silver content per assay. Feeds silver smelting operations.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Conduct independent assay verification; discrepancies lead to duty reassessments
• Segregate from lead-zinc ores during shipping to maintain proper classification
• Comply with CITES if ore contains trace endangered species minerals