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Factory Cheap Hot Fused Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa

Factory Cheap Hot Fused Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa


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Factory Cheap Hot Fused Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa Detail:

micro sodium white fused alumina

Compared With β-Al2O3 And α-Al2O3

Sodium oxide is a harmful impurity to white corundum. It forms β-Al2O3 with alumina in the molten state, and the amount of production increases with the increase of sodium oxide content. Na2O in white corundum mainly appears in the form of Na2O·11AL2O3 (β-Al2O3). For example, if the alumina raw material contains more than 0.6% sodium oxide, the white corundum produced with it will contain more than 10% β-Al2O3.

Compared with β-Al2O3, α-Al2O3 has ‘three highs’. First, it has a high melting point, Secondly a high density, and thirdly a high hardness, as shown in the following table:

 Phase Chemical compositions Crystal System Density (g/cm3 Micro hardness (Kg/mm²) Melting point (℃)
α-Al2O3 Al2O3 Hexagonal 4.0 2300 2050
β-Al2O3 Na2O·11Al2O3 Trigonal 3.24 1300~1600 1600

Advantages

The micro-sodium white fused alumina improves the melting point, particle density, bulk density, flexural strength, compressive strength, true density, hardness and other properties of white corundum products, laying a solid foundation for the product to enter the high-end market.

Applications

white fused alumina application
grinding
grinding processing

It is suitable for processing alloy steel, high hardness steel, high carbon steel and other materials with high hardness and high tensile strength.

Chemical Composition

Chemical Composition Na2O % ≤ Al2O3 % ≥ SiO2 % ≤ Fe2O3 % ≤
Gurantee Value 0.06 99.7 0.1 0.05
Typical Value 0.02 99.89 0.04 0.03

Product detail pictures:

Factory Cheap Hot Fused Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa detail pictures

Factory Cheap Hot Fused Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa detail pictures

Factory Cheap Hot Fused Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa detail pictures


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To be the stage of realizing dreams of our employees! To build a happier, far more united and far more specialist team! To reach a mutual profit of our customers, suppliers, the society and ourselves for Factory Cheap Hot Fused Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa , The product will supply to all over the world, such as: Indonesia, Marseille, Lesotho, Qualified R&D engineer will be there for your consultation service and we will try our best to meet your requirements. So please feel free to contact us for inquiries. You'll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we will surely give you the best quotation and after-sale service. We're ready to build stable and friendly relations with our merchants. To achieve mutual success, we will make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we are here to welcome your inquiries for any of our goods and service.
  • After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
    5 Stars By Jack from Cape Town - 2017.11.20 15:58
    We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Myrna from Bangalore - 2017.02.28 14:19
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