Vanadium Borosilicate Flux Mixture from Mexico
Fusion flux preparation combining ammonium metavanadate, boric acid, and silica for steel analysis in metallurgy labs. HTS 3824.99.36.00 classification for vanadium inorganic mixtures used in analytical chemistry. Enables accurate vanadium determination in alloys.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Lab analysis certificate showing vanadium as key component required; comply with lab chemical import protocols
• Avoid bulk packaging that suggests industrial use
• Pitfall: classification as pure boric acid under 2810