Float Zone Crystal Grower from Germany
Float zone crystal grower used to produce high-purity monocrystalline silicon boules via the float zone method for semiconductor wafer fabrication. Falls under HTS 8448.20.50 as other auxiliary machinery for heading 8444 machines in semiconductor material processing. Critical for achieving ultra-low impurity levels required in device manufacturing.
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
• Provide evidence of Czochralski or float zone method specificity to confirm auxiliary status for 8444 machines
• Label equipment clearly as 'semiconductor crystal growth apparatus' to prevent reclassification
• Avoid pitfall of bulk import without end-use certificates, which can trigger audits for dual-use technology