Silicon Ingot Centrifugal Polisher from Canada
Rotating centrifugal polisher that processes silicon ingots to precise surface flatness before wafer slicing in semiconductor fabrication. Falls under HTS 8421.19.00.00 as specialized other centrifuges for wafer manufacturing preparation.
Duty Rate — Canada → United States
11.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document flatness specs (<1 micron deviation) matching statistical note requirements; provide evidence of semiconductor-only use; ensure vibration isolation ratings for cleanroom import