Thermal Conductivity Detector Filament Assembly from Mexico
Tungsten-rhenium filament assembly for TCD detectors in gas chromatographs (9027.20.50), measuring thermal conductivity differences. Replaceable electrical sensing element. Classified 9027.90.5625.
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
• Provide filament resistance curves and gas compatibility data
• Certify for carrier gas types (He, H2, N2)