Quartz Wafer Lapping Machine from Canada
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 — 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
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