Float Zone Crystal Grower RF Coil Housing from Mexico
The RF coil housing is an essential component of float zone crystal growers that melt and purify silicon rods to produce semiconductor-grade crystals. Classified under HTS 8479.90.95.65 as parts of metal treating machines for semiconductor material processing.
Duty Rate — Mexico → United States
15%
Rate breakdown
9903.82.1015%Except as provided for in headings 9903.82.12, 9903.82.17 and 9903.85.68, derivative aluminum and steel articles with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent, as provided for in subdivision (f) 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
• Provide process flow documentation showing RF housing's role in zone refining of semiconductor silicon
• Include material certificates confirming high-temperature alloys suitable only for crystal growth equipment
• Avoid bulk shipments without clear identification as semiconductor-specific replacement parts