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9022.90.70.00/Sealed Electrode Assembly for Ion Smoke Detectors/China

Sealed Electrode Assembly for Ion Smoke Detectors from China

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 — China → United States

13.5%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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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 China — Import Duty Rate | HTS 9022.90.70.00