Turbo Molecular Vacuum Pump Rotor Assembly from Japan
This rotor assembly is a critical rotating component in turbo molecular vacuum pumps used for creating high vacuum levels in semiconductor wafer processing equipment. It falls under HTS 8414.90.91.40 as a part specifically designed for vacuum pumps employed in the growth and processing of semiconductor materials like silicon wafers. The high-speed rotor generates momentum transfer to evacuate gases efficiently.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Verify the part is exclusively for vacuum pumps in semiconductor processing via manufacturer specs to confirm 8414 classification
• Include detailed technical drawings and end-use statements in documentation to avoid misclassification as general machinery parts