Tabular Alumina for Refractories from Mexico
Dense, tabular-shaped aluminum oxide grains produced by sintering for high-temperature refractory bricks. Classified in HTS 2818.20.00.00 as aluminum oxide distinct from artificial corundum abrasives.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide bulk density specs (>3.5 g/cm³) and crystal structure data for proper verification
• Ship in industrial bulk packaging to avoid retail preparation classification
• Differentiate from fused alumina via production method certificates