Roughing Vacuum Pump Diaphragm Kit from China
Replacement diaphragm kits for roughing pumps backing high-vacuum systems in semiconductor slicing saws. Falls under HTS 8414.90.91.40 as parts of vacuum pumps for wafer slicing from monocrystalline boules. Provides oil-free rough vacuum to 10^-2 Torr.
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
• Include wear-part certification and OEM interchangeability docs
• Value as kit vs individual diaphragms affects duty computation