Magnesium Chloride Flux for Aluminum Brazing from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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