Mercury Arc Rectifier Tube from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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