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Mercury Arc Rectifier Tube from Mexico

Gas-filled tube using mercury vapor arc for high-voltage DC power conversion in industrial applications. HTS 8540.89.00.80 includes mercury arc rectifying tubes as specified in heading description.

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

Hazardous material declaration mandatory due to mercury content; follow EPA/DOT regulations

Prove vapor construction vs solid-state rectifiers (8541.10) with cutaway diagrams

Mercury Arc Rectifier Tube from Mexico — Import Duty Rate | HTS 8540.89.00.80