• Wholesale White Fused Aluminum Oxide –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu

Wholesale White Fused Aluminum Oxide – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu

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Wholesale White Fused Aluminum Oxide – 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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Wholesale White Fused Aluminum Oxide –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

Wholesale White Fused Aluminum Oxide –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

Wholesale White Fused Aluminum Oxide –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures

Wholesale White Fused Aluminum Oxide –  Alumina 99.5% white corundum sand fine powder capacitive crystal  – Wanyu detail pictures


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"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for Wholesale White Fused Aluminum Oxide – Alumina 99.5% white corundum sand fine powder capacitive crystal – Wanyu , The product will supply to all over the world, such as: Ghana, Ireland, Israel, As a way to use the resource on the expanding info in international trade, we welcome prospects from everywhere on the web and offline. In spite on the high quality objects we offer you, effective and satisfying consultation service is supplied by our qualified after-sale service group. Item lists and in depth parameters and any other info weil be sent to you timely for the inquiries. So you should make contact with us by sending us emails or call us when you've got any questions about our organization. ou could also get our address information from our site and come to our enterprise. We get a field survey of our merchandise. We're confident that we are going to share mutual accomplishment and create solid co-operation relations with our companions within this market place. We're seeking forward for your inquiries.
  • Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Julie from Ecuador - 2017.07.28 15:46
    Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Mary from Israel - 2018.05.22 12:13
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