Niobium Pyrochlore Concentrate from China
Pyrochlore ore concentrate containing niobium oxide (Nb2O5), primarily from carbonatite deposits like Araxá, Brazil. Classified in HTS 2615.90.60 as other niobium ores and concentrates for stainless steel and superalloy production.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Verify minimum 60% Nb2O5 equivalent for proper ore classification vs. lower-grade materials
• Register under TSCA for chemical substances and prepare exposure assessments
• Monitor Brazilian export quotas, as they impact global niobium supply availability