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Factory wholesale White Corundum Grains - Micro Sodium White Fused Alumina – Yufa

Factory wholesale White Corundum Grains - Micro Sodium White Fused Alumina – Yufa


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Our aim is usually to give superior quality items at aggressive rates, and top-notch company to clients around the earth. We have been ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Fused Magnesia Alumina, Magnesium Aluminate Spinel, White Corundum Grains, Welcome to visit our firm and factory. Be sure to come to feel free to get in touch with us in case you need any additional assistance.
Factory wholesale White Corundum Grains - 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 wholesale White Corundum Grains - Micro Sodium White Fused Alumina – Yufa detail pictures

Factory wholesale White Corundum Grains - Micro Sodium White Fused Alumina – Yufa detail pictures

Factory wholesale White Corundum Grains - Micro Sodium White Fused Alumina – Yufa detail pictures


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We normally think and practice corresponding on the change of circumstance, and grow up. We aim at the achievement of a richer mind and body and also the living for Factory wholesale White Corundum Grains - Micro Sodium White Fused Alumina – Yufa , The product will supply to all over the world, such as: Holland, Iran, UAE, We warmly welcome your patronage and will serve our clients both at home and abroad with products and solutions of superior quality and excellent service geared to the trend of further development as always. We believe you will benefit from our professionalism soon.
  • The supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.
    5 Stars By Jo from Bangkok - 2017.01.11 17:15
    The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Louis from Israel - 2018.06.18 19:26
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