9022.90.70.00/Sealed Electrode Assembly for Ion Smoke Detectors/Japan

Sealed Electrode Assembly for Ion Smoke Detectors from Japan

Corrosion-resistant electrode pair hermetically sealed for ionization chambers in battery-powered smoke detectors. HTS 9022.90.70.00 covers this critical part enabling current flow detection from alpha particle ionization. 10-year service life design.

Duty Rate — Japan → United States

11%

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

• Certify gold-plated contacts meet ASTM B488 for long-term reliability

• Declare hermetic seal test results (MIL-STD-883) for defense-related imports

• Avoid over-declaring value of precious metal content to prevent assay

Sealed Electrode Assembly for Ion Smoke Detectors from Japan — Import Duty Rate | HTS 9022.90.70.00