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Sintered Bauxite Proppant 40/70

Sintered bauxite proppant in 40/70 mesh for oil and gas extraction, refined artificial corundum grains. This product is chemically defined as aluminum oxide with high purity, meeting Chapter 28 criteria.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—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.

2508.30.00Same rate: Free

If the bauxite is not artificially processed to corundum quality

Natural bauxite falls under Chapter 25.

2818.20.00Same rate: Free

If the product is aluminum oxide not meeting artificial corundum definition

Aluminum oxide is classified separately.

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

• Confirm the sintering process produces artificial corundum with high alumina content

• Provide documentation on the manufacturing process and chemical analysis for CBSA

• Note that proppants with other compositions may be classified under different headings

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.