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8419.89.95.40/Float Zone Crystal Cooling Trough/China

Float Zone Crystal Cooling Trough from China

Liquid-cooled trough system for float zone silicon crystal growth, rapidly quenching the molten zone to form defect-free monocrystalline ingots for wafer slicing. HTS 8419.89.9540 for specialized cooling in semiconductor boule manufacturing. Matches statistical note (a)(i).

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
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Import Tips

• Provide float zone furnace integration drawings and cooling gradient specifications

• Distinguish from general industrial cooling towers via semiconductor boule dimensions

Float Zone Crystal Cooling Trough from China — Import Duty Rate | HTS 8419.89.95.40