Wafer Lapping/Polishing Speed Controller from Mexico
Mechanical speed changer maintaining constant surface speed during semiconductor wafer lapping/polishing. Statistical note (a)(ii)(C) coverage under HTS 8486.40.70.00. Critical for wafer flatness within nanometer tolerances.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Cite statistical note reference for lappers/polishers
• Flatness tolerance specs (bow/warp) justify semiconductor use
• Slurry compatibility documentation for process verification