Niobium Pentoxide from China
Niobium pentoxide (Nb2O5) is a white powder used in capacitors, superconductors, and optical glass. Imported under HTS 2825.90.90.00 as other metal oxides of niobium (columbium). Chemically defined per Chapter 28.
Duty Rate — China → United States
28.7%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Specify 'columbium' synonym on invoices; assay confirms Nb2O5 purity
• Electronic grade requires particle size distribution reports
• Avoid confusion with ferro-niobium alloy (7202)