• Professional White Corundum Powder Suppliers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu

Professional White Corundum Powder Suppliers – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu

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"Control the standard by the details, show the power by quality". Our firm has strived to establish a extremely efficient and stable employees crew and explored an effective excellent command method for The Metal Parts , Ceramic Cut Off Wheel , Cutting Disc , Created solutions with brand price. We attend seriously to produce and behave with integrity, and because of the favor of clients in your own home and overseas in the xxx industry.
Professional White Corundum Powder Suppliers – 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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Professional White Corundum Powder Suppliers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

Professional White Corundum Powder Suppliers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

Professional White Corundum Powder Suppliers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

Professional White Corundum Powder Suppliers –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures


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Our personnel are always in the spirit of "continuous improvement and excellence", and together with the top-quality good quality solutions, favorable selling price and superior after-sales providers, we try to acquire each customer's rely on for Professional White Corundum Powder Suppliers – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu , The product will supply to all over the world, such as: French, Danish, Bandung, Certainly, competitive price, suitable package and timely delivery will be assured as per customers' demands. We sincerely hope to build business relationship with you on the basis of mutual benefit and profit in the very near future. Warmly welcome to contact us and become our direct cooperators.
  • Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Elaine from Cannes - 2017.09.28 18:29
    This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By Moira from Yemen - 2018.06.03 10:17
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