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Competitive Price for White Fused Alumina For Grinding Wheel - Micro Sodium White Fused Alumina – Yufa

Competitive Price for White Fused Alumina For Grinding Wheel - Micro Sodium White Fused Alumina – Yufa


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Competitive Price for White Fused Alumina For Grinding Wheel - 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

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

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.


Product detail pictures:

Competitive Price for White Fused Alumina For Grinding Wheel - Micro Sodium White Fused Alumina – Yufa detail pictures

Competitive Price for White Fused Alumina For Grinding Wheel - Micro Sodium White Fused Alumina – Yufa detail pictures

Competitive Price for White Fused Alumina For Grinding Wheel - Micro Sodium White Fused Alumina – Yufa detail pictures


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Our firm has been concentrating on brand strategy. Customers' satisfaction is our best advertising. We also offer OEM provider for Competitive Price for White Fused Alumina For Grinding Wheel - Micro Sodium White Fused Alumina – Yufa , The product will supply to all over the world, such as: Leicester, Stuttgart, Montpellier, Wide selection and fast delivery to suit your needs! Our philosophy: Good quality, great service, keep improving. We've been looking forward that more and more oversea friends join in our family for further development near the future!
  • Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Lena from Kuwait - 2017.03.08 14:45
    The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Abigail from California - 2017.09.16 13:44
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