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8540.89.00.60/Mercury Arc Light Sensor Tube/Canada

Mercury Arc Light Sensor Tube from Canada

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 — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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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 Canada — Import Duty Rate | HTS 8540.89.00.60