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9027.90.56.25/Mass Spectrometer Interface Kit for GC/Mexico

Mass Spectrometer Interface Kit for GC from Mexico

Transfer line and heater kit connecting gas chromatographs (9027.20.50) to mass spectrometers for combined GC-MS analysis. Maintains sample integrity during ionization transition. Classified in 9027.90.5625 as accessory principally for these chemical analysis instruments.

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

• Document compatibility with both GC and MS models to justify Chapter 90 classification

• Include vacuum/pressure specs distinguishing from general tubing