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China OEM China Insulation Refractory Brick - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng Featured Image
  • China OEM China Insulation Refractory Brick - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng
  • China OEM China Insulation Refractory Brick - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng

China OEM China Insulation Refractory Brick - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng

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China OEM China Insulation Refractory Brick - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng Detail:

Alumina refractory balls have the fine quality of high strength, high hardness, excellent abrasion ability, thick bulk density, high temperature performance, corrosion resistance, less pollution and other excellent properties. alumina balls have been widely used in finishing and deep processing different types of ceramic, enamel, glass, chemicals and other thick and hard materials.

Properties of Alumina Refractory Balls

  1. High Temperature Resistance
  2. Good Heat Resistance
  3. High Mechanical Strength
  4. Long Service Life

Composition of Alumina Refractory Balls

Alumina refractory balls are made of AL2O3, kaolin, synthetic aggregate, mullite crystal and other materials. According to the rolling and the press molding method. aluminum refractory balls have the advantages of high strength, good thermal shock resistance, convenient replacement and cleaning, long service life and so on.

Alumina Refractory Balls Process

In order to make alumina refractory balls, the electrode is placed at the bottom of the graphite crucible, and the arc can be started by adding a certain amount of industrial alumina powder. Operating current 1.0kA, voltage 80~100V.After striking, as Al2O3 molten, loading gradually, until the material liquid filled with graphite crucible, the material liquid temperature is 2200 ~ 2300 ℃.After that, the crucible is poured out and the solution flows out.

Alumina Refractory Balls Product Details

Item High alumina Low creep Mullite Corundum
Size(mm) 40-80 40-80 40-80 40-80
AL2O3(%) 65 70 75 95
Refractoriness under load(°C) 1450 1460 1530 1650
Apparent Porosity(%) 25 23 22 18
Bulk Density(g/cm3) 2.3 2.4 2.5 3.1
Cold crushing strength(Mpa) 13 14 32 36
Thermal shock resistance(1100°Cwater cooling) cycle ≥ 15 10 20 7
Refractoriness(°C) 1710 1750 1800  1800

Application of Alumina Refractory Balls

Alumina refractory balls have been widely used in finishing and deep processing different types of ceramic, enamel, glass, chemicals and other thick and hard materials. Especially the aluminum refractory balls suitable for air separation equipment heat accumulator and steel blast furnace gas heating furnace as heat storage filler

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China OEM China Insulation Refractory Brick - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng detail pictures

China OEM China Insulation Refractory Brick - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng detail pictures

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No matter new customer or outdated client, We believe in extensive phrase and trusted relationship for China OEM China Insulation Refractory Brick - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Riyadh, Belgium, Iran, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We've got established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance might be expected as our principle of integrity. Devotion and Steadiness will remain as ever.
    • This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
    5 Stars By Liz from Oman - 2017.05.02 11:33
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Pag from Hungary - 2018.03.03 13:09
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