Hydrated Niobium Oxide Nb2O5·nH2O from Canada
Hydrated form of niobium pentoxide used in catalysts, treated as niobium oxide under HTS 2825.90.1500 as hydroxides/peroxides included. Chemically defined per notes.
Duty Rate — Canada → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Specify water content in invoice to confirm hydroxide vs pure oxide
• Stable under transport but test for peroxide content if applicable