Commercial Cobalt Oxide Black from Mexico
Commercial cobalt oxide black is an impure Co3O4 grade used in porcelain enamels and catalysts. It qualifies under HTS 2822.00.00 explicitly for 'commercial cobalt oxides' despite lower purity.
Duty Rate — Mexico → United States
0.1%
Rate breakdown
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
• Commercial grades need supplier specs confirming oxide form, not salts (which go to 2822 other subheads)
• Test for moisture/hydrate content; hydroxides blended may require separate declaration