Commercial Cobalt Tetroxide for Porcelain Glazes from China
Commercial-grade Co3O4 powder specifically formulated for imparting blue coloration to ceramic glazes and porcelain enamels. Classified under HTS 2822.00.0010 as it is a chemically defined cobalt oxide used in industrial pigment applications. Provides durable pigmentation resistant to high firing temperatures.
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
• Require supplier test reports confirming Co3O4 composition >98%; label as 'not for food contact' to avoid FDA scrutiny
• Pitfall: bulk mixtures may classify as preparations (3824)