China 8 Year Exporter Magnesite Refractory Bricks - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng

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Our personnel are generally within the spirit of "continuous improvement and excellence", and using the excellent top quality goods, favorable rate and superior after-sales expert services, we try to win every customer's believe in for Basic Refractory Bricks, Refractory Castable Concrete, Fire Brick And Mortar, Our company is dedicated to providing customers with high and stable quality products at competitive price, making every customer satisfied with our products and services.
China 8 Year Exporter Magnesite Refractory Bricks - 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 8 Year Exporter Magnesite Refractory Bricks - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng detail pictures

China 8 Year Exporter Magnesite Refractory Bricks - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng detail pictures


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We enjoy an extremely good status among our prospects for our great merchandise top quality, competitive price and the ideal service for China 8 Year Exporter Magnesite Refractory Bricks - High Quality High Refractory Alumina Ball – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Angola, Jamaica, Wellington, Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we are working hard to give you the wholehearted service and willing to give you the most competitive price in the market
  • Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Anna from Netherlands - 2018.07.26 16:51
    This is a very professional wholesaler, we always come to their company for procurement, good quality and cheap.
    5 Stars By Nainesh Mehta from French - 2017.06.16 18:23
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