Quartz Wafer Lapping Machine from Germany
Double-sided lapping machine for achieving flatness tolerances on quartz crystal wafers used in oscillators. As quartz is stone, grinding/lapping falls under HTS 8464.20.01 for stone working.
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
• Specify lambda/10 flatness capability and slurry type for quartz in technical specs
• CBP often requires end-user statements for electronics vs. gemstone applications
• Ensure cleanroom compatibility documentation if claimed