Tungsten Zirconium Oxide Dispersion from Canada
An aqueous dispersion of tungsten oxide and zirconium oxide nanoparticles for ceramic coatings and high-temperature applications. Provides thermal barrier properties in foundry and aerospace components. Classified in 3824.99.3500 as a mixture of inorganic tungsten compounds.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit nanoparticle size distribution and composition reports for accurate inorganic mixture verification
• Label as non-hazardous if stabilized; otherwise, follow UN hazardous goods protocols
• Avoid bulk packaging misclassification by specifying dispersion concentration on invoices