Crystal Boule Lapping Polisher Cooling Coil from Canada
Cooling coil heat exchanger for air conditioning in crystal boule lappers and polishers, ensuring surface flatness for wafer fabrication. HTS 8415.83.0060 covers this as other AC heat exchangers used in semiconductor material processing equipment. It regulates environment to achieve dimensional tolerances vital for device fabrication.
Duty Rate — Canada → 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
• Include process flow diagrams showing AC integration in lapping/polishing stations for accurate heading
• Use RFID or serial tracking for traceability in high-tech imports to ease customs review