Wafer Crystal Grinder Coolant Vacuum Pump from Germany
Vacuum pump extracting coolant slurry from crystal grinders shaping semiconductor boules for wafer production. HTS 8414.90.91.80 per statistical note for wafer preparation grinders. Maintains grinding wheel precision during diameter reduction.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Coolant composition and flow rate specs matching grinder OEM
• Particle filtration rating for semi cleanroom
• Common issue: slurry pumps misclassified under 8413.70