Granular Black Iron Oxide for Ferrites from Canada
Granular Fe3O4 iron oxide precursor for manufacturing soft ferrites in transformers. HTS 2821.10.00 for pure iron oxides used in electronics. Calcined to precise stoichiometry.
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
• Stoichiometric analysis required; trace impurities affect classification
• Anti-dumping watch for Chinese origins
• Pure vs sintered (6906) key distinction