Czochralski Crystal Puller Compressor from Germany
A rotary compressor integral to Czochralski crystal pullers used for producing monocrystalline silicon boules in semiconductor wafer manufacturing. Classified under HTS 8414.80.20.55 as it is a rotary compressor not exceeding 186.5 kW, specifically for gas compression in crystal growth processes. Excludes standalone testing apparatus covered in Chapter 90.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify motor power rating documentation to confirm ≤186.5 kW threshold for this subheading
• Provide detailed technical specs proving semiconductor manufacturing use to avoid reclassification
• Ensure CE marking or equivalent for safety compliance in high-vacuum gas handling systems