Basic Zirconium Carbonate from China
Basic zirconium carbonate (Zr(OH)2·2ZrCO3), a hydrated compound used as a pigment and coating agent in paper manufacturing. Classified under HTS 2836.99.50.10 as a zirconium carbonate per subheading for other carbonates. It provides opacity and whiteness in specialty paper products.
Duty Rate — China → United States
28.7%
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
• Label with exact chemical formula and CAS number (e.g
• 84968-25-2) for customs verification; test for heavy metal content to comply with TSCA
• Common pitfall: incorrect declaration as 'zirconium oxide' leading to reclassification