RF Zone Refiner for Semiconductors from Mexico
Radio frequency zone refining furnace for ultra-purification of semiconductor rod materials through repeated melting/solidification passes. Falls under HTS 8419.89.95.85 for temperature treatment equipment processing other semiconductor materials.
Duty Rate — Mexico → United States
14.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document purity improvement specs (ppb levels) proving semiconductor material refining
• Include RF power and zone travel control parameters
• Distinguish from metallurgical zone refiners lacking semiconductor purity specs