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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when mounted on paper, cloth, or other backing as abrasive-coated products
Shifts from bulk chemical grains to finished millstones, grindstones, or abrasive wheels under Chapter 68.
If in the form of whiskers or fibers rather than grains
Aluminum hydroxide or oxide in whisker form classified separately in 2818.30, distinct from pulverized grains.
If chemically modified or mixed with binders for chemical preparations
Blends or preparations of aluminum oxide lose 'chemically defined' status and fall under miscellaneous chemical products.
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Import Tips & Compliance
• Verify purity and grain size specifications in supplier certificates to confirm classification as artificial corundum under 2818.10
• Include Material Safety Data Sheets (MSDS) for aluminum oxide dust hazards; ensure compliance with OSHA and EPA import regulations
• Avoid misclassification as natural corundum (2513.10); request chemical analysis proving synthetic production
Related Products under HTS 2818.10.20.90
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.