Roughing Vacuum Pump Diaphragm Kit from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include wear-part certification and OEM interchangeability docs
• Value as kit vs individual diaphragms affects duty computation