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3816.00.20.50/Tabular Alumina Gunning Refractory/Mexico

Tabular Alumina Gunning Refractory from Mexico

High-purity tabular alumina for coke oven door linings via gunning. HTS 3816.00.20.50 other refractory provides low porosity at 1750°C service. Petrographic analysis confirms spherical grains.

Duty Rate — Mexico → United States

13%

Rate breakdown

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

• Tabular vs. fused alumina distinguished by process certs

• Bulk density >3.5 g/cm³ verification