Lueshite Columbium Ore Fines from Canada
Lueshite columbium ore fines are perovskite-structured niobium minerals ground to fine particles for hydrometallurgical processing. Classified in HTS 2615.90.60.30 as niobium concentrates, distinct from coarse iron ores per statistical definitions. Used in electronics-grade niobium oxide production.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Use ventilated containers to manage dust hazards during import
• Cross-check with USITC rulings for fines vs. lumps distinctions
• Document beneficiation process to confirm 'concentrate' status