Rhodochrosite Manganese Ore from Mexico
Carbonate manganese ore (rhodochrosite) with 28% Mn from sedimentary layers, including ferruginous variants. Qualifies under HTS 2602.00.00 for dry weight manganese content ≥20%.
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
• Account for CO2 loss in dry weight calculations for carbonate ores
• Test for silica gangue that could affect classification if excessive
• Include smelter compatibility data in import docs