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8540.89.00.20/Ignitron Mercury Pool Tube/Canada

Ignitron Mercury Pool Tube from Canada

Ignitrons are high-current mercury pool gas tubes for welding control and electrolytic processes, igniting mercury vapor arc for conduction. They qualify under HTS 8540.89.0020 as vapor electron tubes.

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

• Hazardous material declaration mandatory due to mercury pool content

• Specify current rating (>1000A typical) to distinguish from lower-power tubes

• Mounting flange dimensions affect packaging classification

Ignitron Mercury Pool Tube from Canada — Import Duty Rate | HTS 8540.89.00.20