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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

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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