Wafer Slicing Saw Coolant Control Valve from Mexico
Precision valve managing deionized water coolant flow in wafer slicing saws that cut monocrystalline boules into thin silicon wafers. Falls under HTS 8481.90.9085 per statistical note (a)(ii)(B) for wafer preparation equipment parts. Critical for flatness and damage prevention.
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 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; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Include saw equipment OEM specs confirming DI water purity requirements for classification support
• Declare flow rates (e.g
• 1-5 L/min) and material (PVDF for corrosion resistance) in commercial invoice