Deuterium Arc Lamp Electrode Tube from Mexico

Specialized gas discharge tubes using deuterium gas for continuous UV spectrum generation in spectroscopy. Falls under HTS 8540.89.00 as gas-filled tubes producing light through cathode-initiated arc discharge.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

UV irradiance and spectral range specifications mandatory for instrument compatibility

Pressure vessel certification required for gas containment safety

Distinguish from complete lamps under 8539 (electric filament lamps)