Zirconium Oxide and Calcium Fluoride Stabilizer from Mexico
High-purity mixture of zirconium oxide (zirconia) and calcium fluoride for stabilizing foundry mold coatings against molten metal corrosion. HTS 3824.99.39 for inorganic foundry preparations combining ceramic oxides and fluorides. Essential for casting reactive alloys like titanium.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Certify zirconia purity >99% with trace analysis; comply with fluoride emission regulations; use F-class fire-rated packaging