Wafer Grinder Air Conditioning Heat Exchanger from Germany
Heat exchanger for air conditioning systems in wafer grinding machines, controlling temperature and humidity during boule diameter precision grinding. Under HTS 8415.83.0060 as other heat exchangers for AC machines in semiconductor wafer preparation equipment. Critical for maintaining flatness and conductivity indicator flats on crystals.
Duty Rate — Germany → United States
26.4%
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
• Document linkage to wafer grinder's motor-driven fan for temperature/humidity change to fit AC machine definition
• Certify materials for cleanroom compatibility to prevent reclassification as general machinery parts