Float Zone Crystal Grower from Japan
Equipment that uses a floating molten zone to purify and grow semiconductor crystals like silicon through zone melting, requiring exact heating and cooling. Falls under HTS 8419.39.0280 for its drying and temperature treatment functions in material processing. Used in high-purity wafer boule production.
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
• Include process flow diagrams showing heating, melting, and cooling stages for customs validation
• Ensure labeling distinguishes from domestic dryers; industrial certification required