Artificial corundum, whether or not chemically defined
Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide. > Artificial corundum, whether or not chemically defined > Artificial corundum, whether or not chemically defined
Duty Rate (from China)
Products classified under Tariff item 2818.10.00.00
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.
2818.10.00Alumina 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.
2818.10.00Bauxite 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.
2818.10.00Black 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.
2818.10.00Brown 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.
2818.10.00Brown 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.
2818.10.00Calcined Alumina 99.8% Pure 5 Micron
Calcined Alumina 99.8% Pure 5 Micron is an ultra-high purity aluminum oxide powder refined for LED substrates and electronic ceramics. As a chemically defined artificial corundum in pulverized form, it is classified under tariff item 2818.10.00.
2818.10.00Calcined Alumina A100 Grade Powder
Calcined alumina A100 grade super fine powder for LED phosphors and ceramics, pulverized and refined. This artificial corundum is chemically defined as aluminum oxide with low soda content below 0.3%, meeting Chapter 28 criteria.
2818.10.00Crude 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.
2818.10.00Crude 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.
2818.10.00Electrofused Alumina Zirconia Grain 30/60
Electrofused alumina-zirconia grain in 30/60 mesh, toughened with ZrO2 for heavy-duty abrasives. This artificial corundum is chemically defined with alumina as the primary component, meeting Chapter 28 classification despite the zirconia addition.
2818.10.00Fused 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.
2818.10.00Fused Mullite Grain 4-10mm
Fused mullite grain in 4-10mm, primarily alumina-based artificial corundum with silica. This product is chemically defined as a compound of alumina and silica, meeting Chapter 28 criteria for artificial corundum when alumina is the predominant component.
2818.10.00High-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.
2818.10.00High Purity Alumina HPA 99.99% Powder
High purity alumina (HPA) 99.99% powder for Li-ion battery separators, pulverized refined corundum. This artificial corundum is chemically defined as aluminum oxide with exceptional purity, meeting Chapter 28 requirements.
2818.10.00High-Purity Pink Alumina for Sandblasting 98.5%
High-purity pink alumina for sandblasting with 98.5% Al2O3, offering angular grains for aggressive surface preparation. This artificial corundum is chemically defined with colouring added for identification, meeting Chapter 28 requirements.
2818.10.00Industrial 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.
2818.10.00Micronized Alumina Polish 1 Micron
Micronized alumina polish at 1 micron for optical polishing, ultra-refined powder. This artificial corundum is chemically defined as aluminum oxide in pulverized form, meeting Chapter 28 criteria for separate chemically defined compounds.
2818.10.00Nano Alumina Particles D50 50nm
Nano alumina particles with D50 of 50nm for advanced ceramics, pulverized artificial corundum. This chemically defined aluminum oxide meets Chapter 28 criteria in its nano-particle form.
2818.10.00Pink Aluminum Oxide Abrasive Grit 98% Al2O3
Pink fused aluminum oxide grit with 98% Al2O3, doped with chromium oxide for enhanced toughness and heat resistance. This artificial corundum is chemically defined, meeting Chapter 28 criteria with colouring for identification.
2818.10.00Pink Fused Alumina 60 Grit for Precision Grinding
Pink Fused Alumina is chromium-doped aluminum oxide in 60 grit abrasive grains, used for precision grinding wheels. Despite trace chromium, it remains a chemically defined artificial corundum under tariff item 2818.10.00, as the doping does not alter its essential character.
2818.10.00Reactive Alumina Fine Powder FCPA-12
Reactive alumina fine powder FCPA-12 grade with high surface area for ceramic and catalyst production. This pulverized artificial corundum is chemically defined as aluminum oxide, meeting Chapter 28 classification.
2818.10.00Reactive Alumina Powder A100 Grade
Reactive Alumina Powder A100 Grade is a high-surface-area aluminum oxide powder optimized for catalyst carriers and advanced ceramics. As a chemically defined artificial corundum in ground form, it falls under tariff item 2818.10.00.
2818.10.00Ruby Fused Alumina Powder 99.5% Al2O3
Ultra-fine ruby-colored fused alumina powder with 99.5% aluminum oxide, refined for optical and lapping applications. This artificial corundum is chemically defined with colouring for identification, meeting Chapter 28 requirements.
2818.10.00Ruby Reactive Alumina Powder 99% Al2O3
Ruby Reactive Alumina Powder is a high-purity (99% Al2O3) artificial corundum in fine powder form, used in advanced ceramics and sintering applications. As a chemically defined aluminum oxide, it falls under tariff item 2818.10.00 for artificial corundum, whether or not chemically defined.
2818.10.00Sintered 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.
2818.10.00Tabular 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.
2818.10.00Tabular Alumina Granules 3-6mm
Tabular alumina granules sized 3-6mm are produced by sintering calcined alumina into dense, alpha-phase crystals, used in refractories. This artificial corundum in grain form, ground and refined, qualifies under tariff item 2818.10.00 as artificial corundum.
2818.10.00Tabular Crude Alumina Corundum Lumps
Tabular crude alumina corundum lumps are produced via sintering and fusion, resulting in dense, plate-like crude structures of artificial corundum. These lumps are chemically defined aluminum oxide and fall under tariff item 2818.10.00 as crude artificial corundum.
2818.10.00White Alumina Blasting Grain 24 Mesh 99.2%
Coarse 24 mesh white alumina grains at 99.2% Al2O3 purity are used for heavy-duty blast cleaning of metals. This white artificial corundum in ground granular form is chemically defined and falls under tariff item 2818.10.00.
2818.10.00White Calcined Alumina 99.8% for Refractories
White Calcined Alumina is thermally processed aluminum oxide with 99.8% Al2O3 content, designed for refractory production with low soda impurities. It qualifies as artificial corundum under tariff item 2818.10.00, being a chemically defined oxide in grain form.
2818.10.00White Fused Alumina 99% Al2O3
High-purity white fused alumina grains with 99% aluminum oxide content are produced by fusing calcined alumina in electric arc furnaces. This artificial corundum in granular form is chemically defined and falls under tariff item 2818.10.00.
2818.10.00White Fused Alumina Powder 120 Grit
High-purity white fused alumina (99%+ Al2O3) ground to 120 grit powder is used for precision lapping and polishing in optics and semiconductors. This refined, pulverized artificial corundum is chemically defined and falls under tariff item 2818.10.00.
2818.10.00White Fused Alumina Powder 320 Grit
White fused alumina powder at 320 grit fineness is made from high-purity alumina, serving as a precision abrasive and polishing agent. This refined, pulverized artificial corundum is chemically defined and falls under tariff item 2818.10.00.