Float Zone Crystal Grower from Mexico
Equipment that uses radio frequency heating to melt a narrow zone of polycrystalline silicon rod, forming monocrystalline silicon via zone refining in a quartz (glass) envelope. Classified under HTS 8475.29.00.00 for hot working glass in semiconductor material production. Critical for high-purity wafers used in electronics.
Duty Rate — Mexico → United States
10%
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
• Document quartz envelope usage and RF heating specs; ensure statistical note compliance for semiconductor testing
• Avoid errors by distinguishing from metallurgical equipment