White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide
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 > White, pink or ruby, containing more than 97.5 percent by weight of aluminum oxide
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 2818.10.20.10
White Fused Alumina 99% Al2O3
High-purity white fused alumina grains with 99% aluminum oxide content, produced by fusing calcined alumina in electric arc furnaces. Classified under HTS 2818.10.20.10 as artificial corundum in granular form, white color, exceeding 97.5% Al2O3 by weight. Used primarily as an abrasive for precision grinding and polishing.
Pink Aluminum Oxide Abrasive Grit 98% Al2O3
Pink fused aluminum oxide grit containing 98% Al2O3, doped with chromium oxide for enhanced toughness and heat resistance. Falls under HTS 2818.10.20.10 due to its ruby/pink coloration and high purity as artificial corundum in pulverized form. Ideal for resin-bonded abrasives and high-speed grinding.
White Calcined Alumina 99.8% for Refractories
White calcined alumina grains with 99.8% Al2O3 content, thermally processed for low soda impurities in refractory production. Meets HTS 2818.10.20.10 criteria as white artificial corundum, ground form exceeding purity threshold. Essential for high-temperature kiln linings.
White Alumina Blasting Grain 24 Mesh 99.2%
Coarse 24 mesh white alumina grains at 99.2% Al2O3 purity for heavy-duty blast cleaning of metals. HTS 2818.10.20.10 covers white artificial corundum in ground granular form >97.5% Al2O3. Delivers clean, matte finishes without contamination.
Ruby Fused Alumina Powder 99.5% Al2O3
Ultra-fine ruby-colored fused alumina powder with 99.5% aluminum oxide, refined for optical and lapping applications. Classified in HTS 2818.10.20.10 as high-purity, colored artificial corundum that is pulverized. Provides superior hardness for metallurgical polishing and thin-film coatings.
High-Purity Pink Alumina for Sandblasting 98.5%
Pink aluminum oxide media with 98.5% Al2O3 for surface preparation sandblasting, offering angular grains for aggressive cutting. HTS 2818.10.20.10 applies to its pink color, granular/pulverized form, and >97.5% purity as artificial corundum. Recyclable for multiple blast cycles.
Ruby Reactive Alumina Powder 99% Al2O3
Reactive-grade ruby alumina powder with 99% Al2O3, fine-ground for sintering into advanced ceramics. Classified under HTS 2818.10.20.10 for ruby color and exceptional purity in pulverized artificial corundum form. Used in electronic substrates and wear-resistant parts.