3815.90.30.00/Cerium Oxide Polishing Catalyst/Japan

Cerium Oxide Polishing Catalyst from Japan

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

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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