Monocrystalline Silicon Flat Grinding Roll from Germany
Specialized cast steel roll for grinding orientation flats on silicon boules to denote resistivity and type. Falls under HTS 8455.30.0035 as ≤2,268 kg cast steel rolling mill rolls for semiconductor boule prep. Ensures accurate conductivity indication for wafer fabrication.
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
• Include flat angle tolerance specs (e.g
• ±0.5°) in technical data sheets
• Comply with semiconductor cleanroom standards; provide particle emission tests