</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

New CMP Wafer Polisher from Japan

Chemical Mechanical Planarization (CMP) polisher for final surface finishing of semiconductor wafers, removing material uniformly to nanometer flatness. HTS 8439.10.0010 for new finishing machinery in semiconductor wafer prep per chapter notes. Uses polishing pads and slurries for device-ready surfaces.

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%

Import Tips

Demonstrate CMP-specific features like pad conditioning in technical files

Affix 'new equipment' labels pre-shipment

Pitfall: confusion with optical polishers in 8464