8481.80.90.50/Wafer Lapping Machine Pressure Valve/Canada

Wafer Lapping Machine Pressure Valve from Canada

Hydraulic pressure regulating valve for maintaining consistent force in double-side wafer lappers achieving dimensional tolerances. Classified in HTS 8481.80.9050 for semiconductor wafer preparation appliances. Ensures parallelism within microns.

Duty Rate — Canada → United States

12%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter

Calculate with your customs value Verify with the Tariff Assistant

Import Tips

• Document target thickness tolerances (e.g

• ±0.5μm) linking to lapping

• Include hydraulic fluid specs for semiconductor cleanroom approval

• Avoid general 'hydraulic valve' description to prevent 8412 classification