Float Zone Crystal Grower Crucible Assembly from Japan
A specialized crucible part for float zone crystal growers used to melt and purify semiconductor materials like silicon into monocrystalline form. Classified under HTS 8454.90.00.60 as a component of semiconductor casting machines in metallurgical processes. It maintains vacuum and high-temperature stability during zone refining.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide manufacturer certifications for vacuum sealing and thermal shock resistance to support classification
• Label with exact compatibility (e.g
• for 200mm wafers) to prevent misclassification as generic labware