Tabular Alumina Fine Powder 325 Mesh from Canada
Tabular alumina powder (325 mesh), heat-treated alpha-alumina grains for high-performance refractories and ceramics. HTS 2818.10.20.90 applies to this refined, pulverized artificial corundum, chemically defined as aluminum oxide. Provides superior thermal shock resistance.
Duty Rate — Canada → United States
1.3%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include thermal treatment specs in invoices; tabular form distinguishes from standard fused alumina
• Ensure no organic binders present, as mixtures would classify under 3824 chemical preparations
• For EU imports, verify RoHS compliance if destined for electronics ceramics