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China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng Featured Image
  • China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng
  • China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng
  • China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng

China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng

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China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng Detail:

High alumina brick is produced with select bauxite chamotte as main raw material, fired at 1450-1470°C by advanced process with strict quality control. High Alumina Fire Bricks are manufactured with alumina or other raw materials containing higher alumina content through molding and firing. because of its neutral refractory property alumina refractory can resist acid slag erosion resistance.

High Alumina Brick Process

Get through Select and sieve chamotte for deironing before breaking, which can improve high alumina bricks quality. Because there are higher proportion of grog in ingredients that can reach 90~95%. Select and screening deironing before the grog crushed.

Three Grades of High Alumina Brick

According to different Al2O3 content, High alumina bricks can be classified into Three Grades in China.

Grade I High Alumina Bricks have more than 75% Al2O3 content.

Grade II High Alumina Bricks have 60~75% Al2O3 content.

Grade III High Alumina Bricks have 48~60% Al2O3 content.

Features of High Alumina Brick

High alumina brick has great features like high temperature performance, great corrosion and wear resistance, high bulk density, low iron content, etc.

Items First gradehigh alumina brick Second gradehigh alumina brick Third gradehigh alumina brick Special gradehigh alumina brick
LZ-75 LZ-65 LZ-55 LZ-80
Al2O3 % ≥ 75 65 55 82
Fe2O3 % ≤ 2.5 2.5 2.6 2.0
Bulk Density g/cm3 2.5 2.4 2.3 2.6
Cold Crushing Strength MPa ≥ 70 60 50 80
0.2MPa Refractoriness Under Load  ℃ 1510 1460 1420 1550
Refractoriness ℃ ≥ 1790 1770 1770 1790
Apparent Porosity % ≤ 22 23 24 21
Reheating Linear Change 1450℃×2h  % -0.3 -0.4 -0.4 -0.2

High Alumina Brick Application

High alumina brick can be used in blast furnace, hot blast stove, electric furnace. also high alumina fire bricks used in the fields of iron and steel, nonferrous, glass, cement, ceramics, petrochemical, machine, boiler, light industry, power, and military industry etc.

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China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng detail pictures

China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng detail pictures

China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng detail pictures

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Sticking to the principle of "Super Quality, Satisfactory service" ,We are striving to be a good business partner of you for China Factory Free sample Boiler Refractory Bricks - High Quality 70% Fire High Alumina Brick For Hot-Blast Stove Gas Burner – Rongsheng factory and manufacturers | Rongsheng , The product will supply to all over the world, such as: Finland, Hongkong, Anguilla, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have 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 will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.
    • The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By Olga from Rotterdam - 2017.03.28 12:22
    Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Mandy from Finland - 2018.09.23 18:44
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