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11092-32-3

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11092-32-3 Basic informationMore
USE
Fused aluminum oxide was the second synthetic abrasive to be developed. Synthetic aluminum oxide (alumina) is made as a white powder and can be somewhat harder than corundum (natural alumina) because of its purity. However, corundum has a Mohs hardness of approximately 9 (on a scale of 1 to 10. Alumina can be processed with different properties by slight alteration of the reactants in the manufacturing process. Several grain sizes of alumina are available, and alumina has largely replaced emery for several abrasive uses. Aluminum oxide is widely used to make bonded abrasives, coated abrasives, and air-propelled grit abrasives for dental applications.<br /> Sintered aluminum oxide is used to make white stones, which are popular for adjusting dental enamel and finishing metal alloys, resin-based composites, and ceramic materials.<br /> Pink and ruby variations of aluminum oxide abrasives are made by adding chromium compounds to the original melt. These variations are sold in a vitreous-bonded form as noncontaminating mounted stones for the preparation of metal&ndash; ceramic alloys to receive porcelain. Remnants of these abrasives and other debris should be removed from the surface of metals used for metal&ndash;ceramic bonding so as not to prevent optimal bonding of porcelain to the metal alloy. A review by Yamamoto (see Selected Reading) suggests that carbide burs are the most effective instruments for finishing this type of alloy because they do not contaminate the metal surface with entrapped abrasive particles.<br /> CORUNDUM: This mineral form of aluminum oxide is usually white. Its physical properties are inferior to those of manufactured alpha (&alpha;) aluminum oxide (Al2O3), which has largely replaced corundum in dental applications. Corundum is used primarily for grinding metal alloys and is available as a bonded abrasive in several shapes. It is most commonly used in an instrument known as a white stone.
Lastest Price from Aluminum oxide manufacturers
  • aluminum oxide
  • US $1.00 /KG
  • CAS:11092-32-3
  • Min. Order: 1KG
  • Purity: Min98% HPLC
  • Supply Ability: G/KG/TON
  • 2020-02-01

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  • Company Name:3B Pharmachem (Wuhan) International Co.,Ltd.
  • Tel:18930552037 821-50328103-801
  • Products Intro:Product Name:ALUMINUM OXIDE
    CAS:11092-32-3
    Purity:99% HPLC Package:1Mg ; 5Mg;10Mg ;100Mg;250Mg ;500Mg ;1g;2.5g ;5g ;10g More...
  • CB Index:69
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  • Company Name:Alfa Aesar
  • Tel:400-610-6006
  • Products Intro:Product Name:AluMinuM oxide, Refractory Brushable Paint, Water-based
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    Package:250g Remarks:044887 More...
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  • Company Name:career henan chemical co
  • Tel:0086-371-86658258
  • Products Intro:Product Name:aluminum oxide
    CAS:11092-32-3
    Purity:Min98% HPLC Package:1KG;1USD
  • CB Index:58
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  • Company Name:Hubei Jusheng Technology Co.,Ltd.
  • Tel:86-18871470254
  • Products Intro:Product Name:Aluminum oxide, Refractory Brushable Paint, Water-based
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    Purity:0.99 Package:5KG;1KG More...
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  • Company Name:Haihang Industry Co.,Ltd
  • Tel:86-531-88032799
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    Package:5KG;1KG More...
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  • Company Name:Henan Tianfu Chemical Co.,Ltd.
  • Tel:0371-55170693
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    Purity:0.99 Package:25KG,5KG;1KG;500G More...
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  • Company Name:Henan DaKen Chemical CO.,LTD.
  • Tel:+86-371-55531817
  • Products Intro:Product Name:ALUMINUM OXIDE
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    Purity:99% Package:100g,500g,1KG,10KG,100KG More...
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  • Company Name:Mainchem Co., Ltd.
  • Tel:+86-0592-6210733
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