Blast Furnace Alumina Brick from Mexico
Dense alumina bricks designed for blast furnace linings, with >50% Al2O3 for corrosion resistance against molten metal. Refractory ceramic goods fired after shaping per Chapter 69 definitions. Specifically 'alumina' bricks under 6902.20.10.10.
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
• Include manufacturer specs on refractoriness under load (RUL) to prove industrial refractory purpose
• For container loads, segregate from non-refractory ceramics to avoid commingling classification issues