Sealed Electrode Assembly for Ion Smoke Detectors from Canada
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 — Canada → United States
11%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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