Float Zone Melting Process Pump from Mexico
Specialized liquid pump used in float zone crystal growth equipment for semiconductor materials like silicon, handling inert gases liquefied or process fluids with extreme purity requirements. It maintains zone stability during the melting process to produce high-purity monocrystalline ingots. Falls under HTS 8413.81.00 as other pumps for semiconductor wafer manufacturing preparation.
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 already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide process flow diagrams showing pump integration in float zone systems to support semiconductor manufacturing classification
• Document material compatibility certifications for ultra-pure semiconductor processing liquids
• Watch for reclassification risks if pump specs resemble general vacuum or gas pumps