Crystal Boule Grinder Pressure Compressor from Germany
Compressor providing pneumatic pressure control for crystal grinders that shape semiconductor boules to precise diameters for wafer production. HTS 8414.80.20 applies to such other compressors in wafer manufacturing equipment. Ensures accurate grinding of conductivity flats on silicon boules.
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%
Import Tips
• Document boule diameter precision specs (e.g
• 200-450mm) to prove semiconductor application; obtain supplier affidavits
• Common error: classifying with general grinding machine parts