Cobaltous Carbonate Technical Grade from China
Technical-grade cobaltous carbonate (CoCO3, 45-50% Co) is supplied as fine powder for catalyst manufacturing and glass coloring. It qualifies for HTS 2836.99.10.00 as a pure cobalt carbonate compound under Chapter 28 definitions.
Duty Rate — China → United States
29.2%
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
• Test for carbonate ion (CO3^2-) content >40%; low purity risks 3824 reclassification
• Declare cobalt percentage accurately; discrepancies trigger CBP lab analysis and penalties
• Use UN-approved packaging (4G fiber drums) for toxic solid classification