Alluvial Tungsten Ore from Mexico
Placer deposit gravel containing wolframite grains, 0.1-1% WO3, dredged from rivers. HTS 2611.00.30.00 for raw alluvial tungsten ores pre-gravity separation. Report WO3 via fire assay.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Dredge permits and environmental compliance docs often required at origin
• Screen for gold co-products to declare properly
• Use wet weight basis for declarations accounting for placer moisture