Tabular Alumina Fine Powder 325 Mesh
Tabular Alumina Fine Powder is heat-treated alpha-alumina grains in 325 mesh form, used for high-performance refractories and ceramics. As a chemically defined artificial corundum in pulverized form, it is classified under tariff item 2818.10.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the tabular alumina is not considered artificial corundum
Aluminum oxide heading may apply to other forms of alumina.
If the powder is used as a raw material for refractory articles
Refractory goods are classified in chapter 69, but raw powders remain in chapter 28.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide proof of the heat treatment process to confirm artificial corundum classification
• Ensure the mesh size is accurately declared for customs valuation
• Check if the product is subject to any Canadian trade remedies on aluminum oxides
Related Products under Tariff item 2818.10.00
Alpha Alumina Coarse Grain 8-14 Mesh
Alpha alumina coarse grain in 8-14 mesh, refined for use as proppants in hydraulic fracturing. This artificial corundum is chemically defined as Al2O3 with over 98% purity, meeting Chapter 28 criteria for separate chemically defined compounds.
Alumina Blasting Media 80 Grit
Virgin alumina blasting media in 80 grit, ground from refined artificial corundum. This product is a chemically defined aluminum oxide used for abrasive surface preparation, falling under Chapter 28 as a separate chemically defined compound.
Bauxite Calcined Fines 0-1mm
High-grade calcined bauxite fines in 0-1mm range, used as refractory aggregate. When calcined bauxite meets the artificial corundum definition through alumina fusion and high purity, it falls under this tariff item as chemically defined aluminum oxide.
Black Silicon Carbide Grain 16/30 Mesh
Pink fused alumina in 60 grit, alloyed with chromium oxide for enhanced hardness in precision grinding. This artificial corundum is chemically defined with high Al2O3 content, meeting Chapter 28 requirements for separate chemically defined compounds with added colouring for identification.
Brown Fused Alumina Grit 24 Mesh
Brown fused alumina grit in 24 mesh size is produced by fusing calcined alumina in electric arc furnaces, resulting in a chemically defined artificial corundum used as an abrasive. Although ground, it remains artificial corundum and falls under tariff item 2818.10.00.
Brown Fused Aluminum Oxide 36 Grit Grains
Brown fused aluminum oxide grains at 36 grit size are produced by fusing bauxite in electric arc furnaces for heavy-duty blasting media. This ground/pulverized artificial corundum is chemically defined and falls under tariff item 2818.10.00.