Cobalt(II,III) Oxide (Co3O4) from Canada
Cobalt(II,III) oxide, or tricobalt tetraoxide, is an olive-black powder used in battery cathodes and pigments. Classified under HTS 2822.00.00 as a cobalt oxide meeting Chapter 28's chemically defined criteria.
Duty Rate — Canada → United States
0.1%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide assay reports showing >99% Co3O4 to distinguish from commercial oxides
• Battery-grade requires REACH compliance docs if from EU; watch for anti-dumping on Chinese origins
• Label as 'not for alloy use' to prevent shift to Chapter 81