Cerium Oxide Polishing Catalyst from Germany
Ceria nanoparticles catalyzing chemical mechanical planarization in semiconductor manufacturing. Classified under 3815.90.3000 as inorganic reaction accelerator.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• ITAR/EAR export controls may apply for semiconductor end-use; obtain validated licenses
• Particle size <50nm and zeta potential specs confirm catalytic grade
• Radioactive impurity limits (<1ppm) required for cleanroom certification