Wafer Lapping Machine Slurry Valve from Mexico
Corrosion-resistant valve dosing abrasive slurry in wafer lappers achieving sub-micron flatness for fabrication readiness. Classified HTS 8481.90.9085 under statistical note (a)(ii)(C) for wafer grinder/lappers/polishers.
Duty Rate — Mexico → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Certify slurry compatibility (e.g
• colloidal silica) and provide flatness target data (<1µm)
• Pair with lapping machine import records for consistent classification treatment