Float Zone Crystal Grower from Mexico
Centrifugal apparatus employing the float zone method to purify and grow semiconductor crystals like silicon by melting and recrystallizing zones in a controlled inert gas environment with dust filtration. Classified under HTS 8421.39.0115 due to its built-in air purification systems that filter out particulates to prevent contamination during high-vacuum zone refining. Critical for producing ultra-pure silicon ingots for wafer slicing.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit technical drawings showing gas filtration modules to customs for proper dust collection classification
• Ensure compliance with cleanroom standards (ISO 14644) certification for import validation