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9022.90.70.00/Sealed Electrode Assembly for Ion Smoke Detectors/Mexico

Sealed Electrode Assembly for Ion Smoke Detectors from Mexico

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 — Mexico → United States

11%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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 Mexico — Import Duty Rate | HTS 9022.90.70.00