Czochralski Crystal Puller Vacuum Pump from Canada
A specialized vacuum pump used in Czochralski crystal growers to create a vacuum environment for producing monocrystalline silicon boules from which semiconductor wafers are sliced. It falls under HTS 8414.10.00.00 as a vacuum pump essential for semiconductor manufacturing equipment.
Duty Rate — Canada → United States
12.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify pump specifications match vacuum levels required for crystal growth to ensure correct classification under Chapter 84
• Provide detailed end-use documentation proving semiconductor manufacturing application to avoid misclassification as general lab equipment