Nano-Zirconium Carbonate Particles from China
Nanoparticulate zirconium carbonate (<100nm) for advanced catalysts and coatings. Remains under HTS 2836.99.50.10 as chemically defined carbonate, not doped electronics per Chapter note. Enhances catalytic efficiency in petrochemical processes.
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)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Declare particle size and certify non-doped per Chapter 28 note on electronics; TSCA notification for new nano forms
• Pitfall: misclass as 'worked' to 3818