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

Cheapest White Corundum Sand Suppliers – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu

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

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

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

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


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"Sincerity, Innovation, Rigorousness, and Efficiency" could be the persistent conception of our organization for your long-term to establish alongside one another with shoppers for mutual reciprocity and mutual benefit for Cheapest White Corundum Sand Suppliers – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu , The product will supply to all over the world, such as: Vancouver, Botswana, Denver, All the imported machines effectively control and guarantee the machining precision for the products. Besides, we have a group of high-quality management personnels and professionals, who make the high-quality products and have the ability to develop new products to expand our market home and abroad. We sincerely expect customers come for a blooming business for both of us.
  • The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Astrid from USA - 2017.12.19 11:10
    The product classification is very detailed that can be very accurate to meet our demand, a professional wholesaler.
    5 Stars By Amy from luzern - 2017.08.16 13:39
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