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
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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)