High Alumina Refractory Brick With Good Price

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
2000 m.t./month

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Product Description:

Raw material: Natural ore and its extract or other synthetic materials.

 

 Refractory brick features:

1.Export more than 20 countries;
2.Accurate delivery time;
3.Professional technical service;
4.Most bricks in stock.

 

Refractory brick  Process:

Raw material to factory→ checkout→ burdening→stirring→mixing→taking out the raw material→transfer

→enter into mould→press machine extrusion→going out the mould→stoving→going into the furnace→firing

→stopping burn→cooling→open the furnace door→going out the furnace→checkout→packing→qualified product

→putting in storage→sale

 

High Alumina Refractory Brick Physical and Chemical Index :
Item Properties 
LZ-80 LZ-75LZ-65LZ-55LZ-48 
Al2O3 (%)80 ≥75≥65≥55≥48
Refractoriness  (°C )≥1790 ≥1790≥1790≥1770≥1750
Bulk density  (g/cm3)2.652.52.452.42.3
Softening temperature under load  (°C )1530 ≥1520≥1500≥1470≥1420
Linear changes on reheating (%)            1500°CX2H0.10.10.10.1
-0.4-0.4-0.4-0.4
            1450°CX2H 



         0.1
        -0.4
                  Apparent porosity (%)          22        ≤23        ≤23         ≤22        ≤22
             Cold crushing strength (Mpa)          55        ≥50        ≥45         ≥40        ≥35
                             Application steel furnace, glass furnace, sodium silicate furnace, ceramic shuttle kiln, cement rotary kiln, blast furnace, electric furnace, blast furnace and reverberatory furnace.

 

Other Refractory Product:

ItemProductReference IndexApplication
1Fire Clay Brick1.Al2O3:30-48%;
2.Refractoriness:1580-1750°C;
3.Refractoriness under load:1300-1400°C;
4.Bulk density:2.0-2.2g/cm3.
1.Glass furnace, 
2.Heating furnace,
3.Hot blast stove, 
4.Blast furnace,
5.Metal melting furnace,
6.Bolier,
7.Pizza oven,
8.All industrial furnace.
2Low Porosity 
Fire Clay Brick
1.Al2O3:41-45%;
2.Refractoriness:≥1750°C;
3.Refractoriness under load:>1500°C;
4.Bulk density:2.3-2.37g/cm3;
5.Apparent porosity:12-15%
1.Glass industry,
2.Steel industry,
3.Chemical industry.
3High Alumina Brick1.Al2O3:48-80%;
2.Refractoriness:≥1790°C;
3.Refractoriness under load:1300-1400°C;
4.Bulk density:2.3-2.65g/cm3.
1.Glass furnace,
2.Heating furnace,
3.Heat treatment furnace,
4.Blast furnace,
5.Metal melting furnace,
6.Electric furnace,
7.Pizza oven,
8.All industrial furnace.
4Fused Cast 
Zirconia Corundum Block 
1.Al2O3:40-50%;
2.ZrO2:32-41%;
3.SiO2:13-17%;
4.Exudation temperature of glass phase:
1080-1400°C;
5.Refractoriness under load:1400-1450°C;
4.Bulk density:3.4-3.95g/cm3.
1.Flat glass furnace, 
2.Glass tube furnace,
3.Float glass furnace,
4.Glass bottle furnace,
5.Sodium silicate furnace,
6.Ceramic frit furnace,
7.Glass melting furnace.
5Sintered Azs 
Refractory Brick
1.ZrO2:18-30%;
2.Al2O3:48-70%;
2.Refractoriness:1770-1790°C;
3.Refractoriness under load:1600-1680°C;
4.Bulk density:2.8-3.4g/cm3.
1.Glass furnace,
2.Sodium silicate furnace,
3.Ceramic Frit furnace,
4.Metallurgical furnace.
6Sintered Zircon Firebrick1.ZrO2:64%;
2.SiO2:34%;
2.Refractoriness:1790°C;
3.Refractoriness under load:1620°C;
4.Bulk density:3.5-3.7g/cm3.
1.Glass furnace,
2.Sodium silicate furnace,
3.Ceramic Frit furnace,
4.Metallurgical furnace.
7Sintered 
Zirconia-mullite Brick
1.ZrO2:18-25%;
2.Al2O3:60-67%;
2.Refractoriness:1790°C;
3.Refractoriness under load:1650°C;
4.Bulk density:2.9-3.0g/cm3.
1.Glass furnace,
2.Sodium silicate furnace,
3.Ceramic Frit furnace,
4.Ladle lining.
8Sillimanite 
Refractory Brick
1.Al2O3:>60%;
2.SiO2:37%;
3.Refractoriness:1790°C;
4.Refractoriness under load:1450-1510°C;
5.Bulk density:2.2-2.4g/cm3.
1.Glass furnace,
2.Float glass furnace,
3.Feeding machine,
4.Drawing machine.
9Sintered Mullite 
Fire Brick 
1.Al2O3:64-80%;
2.Fe2O3:0.5-1.2%;
3.Refractoriness:1790°C-1810°C;
4.Refractoriness under load:1560-1700°C;
5.Bulk density:2.45--2.75g/cm3
1.Glass furnace,
2.Float glass furnace,
3.Feeding machine,
4.Drawing machine.
10Silica Brick1.SiO2:95-96%;
2.Refractoriness:1710°C;
3.Refractoriness under load:1650-1680°C;
4.Bulk density:1.85-1.9g/cm3.
1.Glass furnace,
2.Coke oven,
3.Hot blast stove.
11Magnesia Fire Brick1.MgO:92-97%;
2.CaO:2-2.5%;
3.SiO2:1-4%;
4.Refractoriness under load:1600-1700°C;
5.Bulk density:2.88-3.0g/cm3.
1.Glass Furnace,
2.Cement kiln,
3.Metallurgical furnace,
4.Steel making electric furnace
5.Flat furnace.

High Alumina Refractory Brick With Good Price

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