Double-Sided Wafer Polisher from Mexico
Automated polishing machine with self-contained electric motors that simultaneously polishes both sides of semiconductor wafers using polyurethane pads and colloidal silica slurry to achieve mirror finish and extreme flatness. Prepares wafers for device fabrication. Falls under HTS 8479.89.65.00 per statistical note.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Document polishing removal rates and surface roughness specs (Ångstrom level) for classification
• Handle chemical slurry delivery systems carefully for proper chemical handling declarations
• Verify cleanroom compatibility (HEPA filtration, vibration isolation) in technical docs