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Silicon Crystal Ingot Vacuum Pump from China

Pump part for equipment processing silicon crystal ingots into semiconductor wafers, specifically for vacuum during boule handling. Supports the growth and initial processing sequence described in statistical note (a). HTS 8414.90.91 for such semiconductor-specific vacuum pump parts.

Duty Rate — China → United States

37.5%

Rate breakdown

9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Specify silicon ingot diameter compatibility (200mm, 300mm, 450mm) for classification proof

Include material safety data for silicon processing environment vacuum requirements

Common misclassification as general material handling vacuum (8428)