Crystal Boule Grinder Turbine from Japan
Vapor turbine powering grinders that shape semiconductor crystal boules to exact wafer diameters and flats indicating conductivity. Classified in HTS 8406.82.90.00 as other low-output turbine for crystal preparation equipment in semiconductor manufacturing.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify grinding flats for resistivity indication in documentation
• Ensure turbine specs confirm output below 40 MW threshold
• Comply with vibration standards for precision grinding applications