Other
Artificial corundum, whether or not chemically defined; aluminum oxide; aluminum hydroxide: > Artificial corundum, whether or not chemically defined: > In grains, or ground, pulverized or refined > Other
Duty Rate (from China)
Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2818.10.20.90
Fused Aluminum Oxide Abrasive Grit 24 Mesh
Fused aluminum oxide (artificial corundum) processed into 24 mesh grit size for use in sandblasting and grinding applications. This product is classified under HTS 2818.10.20.90 as artificial corundum that has been ground or pulverized into grains, meeting the criteria for subheading 'other' refined forms. It is chemically defined as aluminum oxide (Al2O3) with high purity for industrial abrasives.
White Fused Alumina Powder 120 Grit
High-purity white fused alumina (99%+ Al2O3) ground to 120 grit powder for precision lapping and polishing in optics and semiconductors. Falls under HTS 2818.10.20.90 as refined, pulverized artificial corundum, chemically defined per Chapter 28 notes. Used in applications requiring minimal contamination.
Brown Fused Aluminum Oxide 36 Grit Grains
Brown fused aluminum oxide grains at 36 grit size, produced by fusing bauxite in electric arc furnaces for heavy-duty blasting media. Classified in HTS 2818.10.20.90 as ground/pulverized artificial corundum, chemically defined aluminum oxide per Chapter notes. Ideal for surface preparation in metalworking.
Tabular Alumina Fine Powder 325 Mesh
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.
Reactive Alumina Powder A100 Grade
Reactive alumina A100 grade powder with high surface area for catalyst carriers and advanced ceramics. This ground, pulverized artificial corundum fits HTS 2818.10.20.90 as chemically defined aluminum oxide. Optimized for chemical reactivity in high-tech applications.
Pink Fused Alumina 60 Grit for Precision Grinding
Pink fused alumina (chromium-doped aluminum oxide) 60 grit for precision grinding wheels in tool manufacturing. Classified under HTS 2818.10.20.90 as refined artificial corundum grains, chemically defined despite trace chromia for color/hardness. Meets Chapter 28 purity standards.
Calcined Alumina 99.8% Pure 5 Micron
Ultra-high purity calcined alumina powder (5 micron, 99.8% Al2O3) for LED substrates and electronic ceramics. HTS 2818.10.20.90 covers this pulverized artificial corundum, refined to exacting chemical specifications. Essential for sapphire crystal growth precursors.