8481.80.90.50/Wafer Lapping Machine Pressure Valve/Germany

Wafer Lapping Machine Pressure Valve from Germany

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 — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

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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