High-Density Magnesite Brick for Cement Rotary Kilns from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify density and porosity per ASTM C20 for kiln-grade quality
• Include kiln zone application details
• Beware of thickness exceeding tile definitions