Phenomenex Kinetex Core-Shell UHPLC Column System from Mexico
Core-shell technology UHPLC columns with integrated system for high-efficiency separations. While columns alone might be parts, complete systems classify under 9027.20.80.90 as other chromatographs.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Distinguish complete systems vs replacement columns (9027.90)
• Include particle size/pore specs for technical validation
• Declare silica-based materials accurately for composition