High-Density Magnesite Brick for Cement Rotary Kilns from Mexico
High-density magnesite bricks (>90% MgO) for transition and burning zones in cement rotary kilns, fired for alkali and abrasion resistance. Essential for high-temperature clinker production environments. Classified in 6902.10.10.00 as magnesite refractory constructional goods.
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 density and porosity per ASTM C20 for kiln-grade quality
• Include kiln zone application details
• Beware of thickness exceeding tile definitions