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Magnesium Chloride Flux for Aluminum Brazing from China

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 — China → United States

37.5%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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