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9027.90.56.25/Thermal Conductivity Detector Filament Assembly/Mexico

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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide filament resistance curves and gas compatibility data

• Certify for carrier gas types (He, H2, N2)