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2021 wholesale price White Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa

2021 wholesale price White Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa


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2021 wholesale price White 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:

2021 wholesale price White Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa detail pictures

2021 wholesale price White Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa detail pictures

2021 wholesale price White Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa detail pictures


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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of 2021 wholesale price White Aluminum Oxide - Micro Sodium White Fused Alumina – Yufa , The product will supply to all over the world, such as: Manila, Hungary, Netherlands, With the effort to keep pace with world's trend, we will always endeavor to meet customers' demands. If you want develop any other new products, we can customize them for you. If you feel interest in any of our products or want develop new products, please feel free to contact us. We are looking forward to forming successful business relationship with customers all over the world.
  • The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Chris from Sri Lanka - 2018.02.08 16:45
    The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Sharon from Bangladesh - 2018.03.03 13:09
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