Magnesium Desulfurization Powder for Steel from Mexico
A powdered mixture containing magnesium designed for injection into molten steel to remove sulfur impurities during steelmaking. This reagent reacts with sulfur to form magnesium sulfide slag, improving steel quality. Classified under HTS 3824.99.93.86 as a chemical mixture containing magnesium used specifically as a desulfurization reagent.
Duty Rate — Mexico → United States
15%
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
• Verify magnesium content exceeds threshold via lab analysis for proper 3824.99.93.86 classification; misclassification risks penalties
• Include material safety data sheets (MSDS) and foundry usage certification in documentation to prove desulfurization purpose
• Avoid common pitfall of classifying as basic magnesium metal (8104) by emphasizing reactive mixture composition