Magnesium Chloride Flux for Aluminum Brazing from Japan
Anhydrous magnesium chloride with alkali chlorides for torch brazing aluminum heat exchangers. Inorganic flux mixture melts at 650°C to clean oxide layer, under 3810.90.2000. Automotive radiator production staple.
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
• Hygroscopic; declare moisture content <1% for stability
• DOT UN 1353 if powdered; ventilation requirements
• Not for magnesium alloys—end-use statement prevents mix-up