Colloidal Silica Wafer Polisher from Canada
Polishers using colloidal silica slurry for final semiconductor wafer surface preparation. HTS 8443.99.5050 for wafer polishers per statistical notes. Creates oxide layer for device processing.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include slurry specifications and removal rates
• Document cleanroom particle specs
• Differentiate from CMP via chemistry