Diamond Wafer Lapper from Canada
Lapping machine using diamond slurry to achieve flatness tolerances on semiconductor wafers before polishing. HTS 8464.90.0120 covers wafer grinders/lappers/polishers as mineral material working tools per notes. Prepares wafer surface for device fabrication.
Duty Rate — Canada → United States
12%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Specify diamond grit size and flatness specs (e.g
• <1μm) for verification
• Slurry system classified separately—declare as parts
• EU REACH compliance for diamond abrasives