Crude White Fused Alumina Blocks
Crude white fused alumina blocks are manufactured by fusing calcined alumina in high-temperature furnaces, yielding large, unrefined chunks of high-purity artificial corundum. These blocks are chemically defined aluminum oxide and are classified under tariff item 2818.10.00 as artificial corundum.
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 blocks are refined or chemically treated
Refined aluminum oxide products fall under this alternative.
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
• Document the crude, unprocessed state of the blocks with photos or specifications
• Verify that no additional processing (e.g
• crushing, grinding) has occurred to maintain classification under this item
• Keep records of the fusion process and raw materials for CBSA verification
Related Products under Tariff item 2818.10.00
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.
Crude Brown Fused Alumina
Crude brown fused alumina is produced by fusing bauxite in electric arc furnaces, resulting in blocky, unprocessed lumps of artificial corundum with high aluminum oxide content. It is chemically defined as aluminum oxide and falls under tariff item 2818.10.00 as artificial corundum, whether or not chemically defined.
Fused Aluminum Oxide Abrasive Grit 24 Mesh
Fused aluminum oxide (artificial corundum) processed into 24 mesh grit size is used for sandblasting and grinding applications. This ground artificial corundum is chemically defined and falls under tariff item 2818.10.00.
High-Density Crude Fused Alumina Ingots
High-density crude fused alumina ingots are large cast blocks from controlled fusion of alumina, offering superior hardness for abrasive applications. As unprocessed artificial corundum, they are chemically defined aluminum oxide and fall under tariff item 2818.10.00.
Industrial Crude Bauxite-Derived Corundum
Industrial crude bauxite-derived corundum is produced by fusing high-grade bauxite, supplied in large irregular lumps for further industrial breakdown. This crude artificial corundum is chemically defined as aluminum oxide and is classified under tariff item 2818.10.00.