RF Zone Refiner for Semiconductors from China
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 — China → United States
41.7%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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