6902.90.10/Direct-Bonded Magnesia Refractory Bricks/Mexico

Direct-Bonded Magnesia Refractory Bricks from Mexico

Direct-bonded magnesia refractory bricks achieve superior purity through high-temperature firing that creates ceramic bonding between periclase grains. Used in converter mouths and hot metal ladles. HTS 6902.90.10 for advanced bonding technology bricks.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Microstructure photos prove direct bonding vs. matrix bonding

• High purity (>96% MgO) affects duty valuation tier

• Declare hydration resistance test results

Direct-Bonded Magnesia Refractory Bricks from Mexico — Import Duty Rate | HTS 6902.90.10