Sapphire Wafer Grinder from Germany
Precision grinder for synthetic sapphire wafers used in LED epitaxy and RF devices, grinding to optical tolerances. Classified under HTS 8464.20.0120 for grinding machines working hard mineral materials like corundum (sapphire). Prepares substrates for epitaxial growth in optoelectronics.
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
• Include Mohs hardness specs confirming sapphire compatibility; reference LED/compound semiconductor applications; verify cleanroom compatibility certifications