Basic Zirconium Carbonate from Canada
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 — Canada → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
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