Float Zone Crystal Grower Crucible Assembly from Germany
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 — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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