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Refractory Bricks
Fireramo is committed to exporting various refractory materials, thermal insulation materials.
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High Alumina Brick

Main Composition: Al2O3≥48%
Application: Industrial Furnaces and Equipment
Raw Material: Bauxite
Color: Yellow
Refractoriness: ≥1700℃
Refractoriness Under Load 0.2 MPa : ≥1420℃
Capacity: 3000 MT per month
Package: Export wooden pallets and polyboard
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Introduction:
High alumina brick refers to refractory products with Al2O3 content higher than 48%.It is made of bauxite or other raw materials of high alumina content .The refractoriness of high alumina brick can be more than  1770℃ .
According to the content of Al2O3, high alumina bricks are usually divided into three grades: Grade I──Al2O3 content>75%; Grade II──Al2O3 content is 60～75%; Grade III──Al2O3 content is 48～60%.
 
Features:
1.Low creep.
2.Good slag resistance.
3.Strong thermal shock stability.
4.Good erosion resistance.
 
Application:
High alumina bricks are mainly used for lining blast furnaces, hot blast furnace, electric furnace roofs, blast furnaces, reverberatory furnaces, and rotary kilns.

More info: https://flmrefractory.com/refractory-brick/high-alumina-bricks/
 
Technical Data:
Item Common High Alumina Brick
LZ-48 LZ-55 LZ-65 LZ-75 LZ-80
Al2O3(%) 48 55 65 75 80
Apparent Porosity(%) 22 22 23 23 22
Cold Crushing Strength(%) 35 40 45 50 55
0.2 MPa Refractoriness Under Load   (℃) 1420 1450 1500 1520 1530
Permanent Linear Change   (%) 1500℃*2hr - -0.4~0.1
1450℃*2hr -0.4~0.1 -
 
 
 
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Refractory Bricks
Phosphate Bonded High Alumina BrickMagnesia Carbon BrickMagnesia Spinel BrickAndalusite BrickNSiC BrickHigh Alumina BrickFire Clay BrickAl-SiC-C BrickAnchor BrickAcid Resistant Brick
Insulation Bricks
Alumina Bubble BrickFireclay Insulation BrickSilica Insulation BrickMullite Insulation BrickHigh Alumina Insulation BrickCeramic Fiber BoardCeramic Fiber BlanketCalcium Silicate BoardVermiculite BoardCeramic Fiber Tape
Monolithic Refractories
Steel Fiber CastableHigh Alumina CastableHigh Alumina MortarMagnesia Ramming MassLightweight Clay CastableAlumina Bubble CastableSilicon Carbide CastableAlkali Resistant CastablePlastic RefractoryMullite Castable
Kiln Furniture
SiSiC BeamSiSiC RBSiC NBSiC BattsCordierite Mullite Perforated BattsCordierite Mullite Extruded SupportsCordierite Mullite Extruded BattsCordierite Mullite Express SupportsCordierite Mullite Express BattsCircular Cordierite Mullite Express BattsSiSiC RollersSilicon Carbide Pressed Pillar
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