Refractory Alumina Slide Gate Plate from Mexico
High-alumina (85% Al2O3) ceramic plate used in steel ladle slide gate systems to control molten steel flow. Precision-fired refractory component essential for steelmaking, classified under HTS 6903.20.00.00.
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
Import Tips
• Submit XRF analysis certificates proving >50% alumina content for Customs verification
• Declare as 'refractory slide gate' not machinery part to maintain Chapter 69 classification
• Avoid bulk packaging with non-refractory components to prevent mixed classification