• High-Quality White Fused Alumina Properties Manufacturers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu

High-Quality White Fused Alumina Properties Manufacturers – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu

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High-Quality White Fused Alumina Properties Manufacturers – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu Detail:

White corundum fine powder

The fine white corundum powder is made from alumina powder and smelted at high temperature. It is white. The hardness is slightly higher than that of brown corundum, and the toughness is slightly lower. The white corundum powder produced by our company has the characteristics of stable product quality, uniform particle size composition, low magnetic content, high bulk density, high hardness, good toughness, and high cleanliness.

White corundum is fine powder, white, with strong cutting power. It has good chemical stability and good insulation. Scope of application: wet or dry blasting sand, suitable for ultra-precision grinding and polishing in the crystal and electronic industries.

White corundum powder is also often used as a refractory material, because fine white corundum powder is one of the high-purity corundum materials, especially when used in refractory materials, which can significantly improve the performance of refractory materials.

When white corundum powder is used instead of alumina powder, the high temperature resistance of the refractory is not reduced or improved, and the linear change rate of the refractory is also increased. It is because adding an appropriate amount of white corundum powder can improve the compactness of the castable, and the white corundum can also form mullite with the silica powder at high temperature, thereby improving the high-temperature strength of the castable.

Chemical indexes of white corundum

Chemical composition AL2O3% SiO2% Fe2o3%   Na2O% L.O.I% Volume densityg/cm3
White corundum index  ≥99.5% ≤0.1% ≤0.1% ≤0.35% 0.1 3.50
White corundum powder  ≥99.5% ≤0.1% ≤0.1% ≤0.35% 0.1 3.50

Product use of white corundum powder

1. It can be used in all kinds of sandblasting and grinding operations;
2. Atomized aesthetic processing of Polly or acrylic artwork;
3. Sandblasting in the TV screen manufacturing process;
4. Cutting of silicon wafer;
5. Clean sand blasting in the middle of the tooth mold;
6. Molding sand for precision casting;
7. Advanced refractory materials and other ceramic additives;
8. Advanced grinding and polishing.


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High-Quality White Fused Alumina Properties Manufacturers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

High-Quality White Fused Alumina Properties Manufacturers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

High-Quality White Fused Alumina Properties Manufacturers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

High-Quality White Fused Alumina Properties Manufacturers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures


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Innovation, excellent and reliability are the core values of our company. These principles today much more than ever form the basis of our success as an internationally active mid-size business for High-Quality White Fused Alumina Properties Manufacturers – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu , The product will supply to all over the world, such as: Philippines, Bangladesh, Canada, Our Company policy is "quality first, to be better and stronger, sustainable development" . Our pursuit goals is "for society, customers, employees, partners and enterprises to seek reasonable benefit". We aspirate to do cooperate with all different the auto parts manufacturers, repair shop, auto peer , then create a beautiful future! Thank you for taking time to browse our website and we would welcome any suggestions you may have that can help us to improve our site.
  • The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Alexander from Costa rica - 2018.12.30 10:21
    Hope that the company could stick to the enterprise spirit of "Quality, Efficiency, Innovation and Integrity", it will be better and better in the future.
    5 Stars By Gabrielle from Sierra Leone - 2017.04.18 16:45
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