Vanadium Borosilicate Flux Mixture from China
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 — China → United States
26.5%
Rate breakdown
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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