Crystal Boule Grinder Cooling Fan from Canada
Cooling fan for crystal grinders that shape semiconductor boules to exact wafer diameters and flats indicating conductivity, preventing overheating during precision grinding. Falls under HTS 8414.59.65.95 as other fans for wafer preparation apparatus in semiconductor statistical notes. Maintains thermal stability for accurate resistivity marking.
Duty Rate — Canada → United States
12.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document fan's role in grinding flats for conductivity typing; use HTS advisory rulings for confirmation
• Common issue: classifying as HVAC fan without process-specific evidence