8540.89.00.60/Mercury Arc Light Sensor Tube/Mexico

Mercury Arc Light Sensor Tube from Mexico

Historical mercury arc photocell tube using mercury vapor photocathode for industrial light level monitoring in legacy automation systems. Provides switching function based on light threshold detection. Remains classified under HTS 8540.89.00.60 as vapor-filled light-sensing tube despite obsolescence.

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
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Import Tips

• RoHS exemption documentation required due to mercury content

• Specify vapor pressure and arc characteristics to confirm vapor tube classification

• Safety data sheets mandatory for hazardous material declarations

Mercury Arc Light Sensor Tube from Mexico — Import Duty Rate | HTS 8540.89.00.60