Extruded Magnesium Anode Rod for Water Heaters from Japan
Cylindrical extruded magnesium anode rod installed in domestic water heaters to prevent tank corrosion through electrolytic protection. Typically 3/4-inch diameter with steel core for mounting. HTS 8543.30.90.40 covers these as functional magnesium anodes for electrolysis.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Specify anode weight and dimensions in commercial invoice; test for core wire compatibility
• Pitfall: confusing with zinc anodes (8543.30.9045)
• Include galvanic corrosion test data if requested by CBP