Wafer Crystal Grinder Coolant System from Mexico
Refrigerated coolant system for crystal grinders that prepares semiconductor boules to precise diameters per statistical note (a)(ii)(A). Maintains grinding wheel at constant temperature for accuracy. HTS 8418.99.8060 wafer preparation equipment.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) 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
• Reference statistical note documentation; include grinder model compatibility
• Avoid tool/die coolant classification under 8466