Silicon Wafer Polisher Vacuum Compressor Manifold from China
Multi-port manifold for hermetic vacuum compressors supplying precisely controlled suction in silicon wafer polishers, achieving mirror-finish surfaces for device fabrication. Distributes clean dry air/vacuum to polishing pads. Part of 8414.40 compressors under 8414.90.41.55 for semiconductor wafer prep equipment.
Duty Rate — China → United States
35%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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]
Import Tips
• Demonstrate multi-zone pressure control specs for wafer uniformity
• Require particle filtration certifications (<0.1μm) for cleanroom validation
• Avoid 8481 classification by proving compressor integration vs standalone appliance