Czochralski Crystal Puller Vacuum Pump from Mexico
This vacuum pump is integral to Czochralski crystal growers used in semiconductor manufacturing to produce monocrystalline silicon boules by maintaining a controlled vacuum environment during the crystal pulling process. It falls under HTS 8414.59.65.95 as an other fan or vacuum pump specialized for semiconductor wafer production equipment. The pump ensures ultra-pure conditions essential for slicing high-quality wafers.
Duty Rate — Mexico → United States
12.3%
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
• Verify equipment is exclusively for semiconductor manufacturing to qualify for potential duty exemptions; provide detailed technical specs and end-use certificates
• Common pitfall: misclassifying as general industrial pump without wafer-specific documentation