Float Zone Crystal Grower from Mexico
Numerically controlled apparatus employing the float zone method to produce high-purity silicon crystals by melting and reshaping a polycrystalline rod without a crucible. Classified in 8461.90.30.80 for its metal/cermet removal via zone refining and precise shaping in semiconductor wafer production. It removes impurities and shapes boules for slicing into wafers.
Duty Rate — Mexico → United States
14.4%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include process flow diagrams showing material removal steps; declare exact purity levels to avoid reclassification; watch for undervaluation penalties on high-value equipment