Cerium Oxide Polishing Catalyst

Ceria nanoparticles catalyzing chemical mechanical planarization in semiconductor manufacturing. Classified under 3815.90.3000 as inorganic reaction accelerator.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2846.10.00Lower: 5.5% vs 35%

If rare earth compounds without formulation

Pure cerium compounds classified in inorganic chemicals chapter

3816.00.20Higher: 38% vs 35%

If refractory cements/mortars

Construction ceramic applications fall under refractory preparations

3824.99.39Same rate: 35%

If with dispersants for general polishing

Organic additives shift to chemical preparations heading

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

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