Commercial Cobalt Oxide Black from China
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 — China → United States
25.1%
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
• 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