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High Temperature Fire Brick Wedge Fire Resistant Refractory for Kiln Furnace

Categories Mullite Refractory Bricks
Brand Name: FS
Model Number: FS-8746
Certification: SGS,CE
Place of Origin: China
MOQ: MOQ:100PCS
Price: 900USD/ton
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 1000ton/month
Delivery Time: 15 working days
Packaging Details: tray,PE
Color: Yellow
Density: 3.5 g/cm3
Size: 230*114*65mm
Application: kiln
chemical composition: Mgo
AL2O3 % (≥): 55
Refractoriness under load, 0.2MPa, °C (≥): 1450
Permanent linear Change, %: +0.1 -0.3
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High Temperature Fire Brick Wedge Fire Resistant Refractory for Kiln Furnace

High Temperature Fire Brick Wedge Fire Resistant Refractory for Kiln Furnace
Product Description

FS arched brick fireplace is an alumina-silicate refractory material in which the Al2O3 content is more than 55%, and is calcined from a high-content alumina raw material such as a silicone raw material or a bauxite. High heat resistance and high temperature resistance at 1770 ° C and above. Has good slag resistance, mainly used in the masonry of steelmaking electric furnace, glass furnace, cement rotary furnace and so on.

Characteristics of Refractory Brick for Kiln Furnace


1.Refractoriness:

More refractory than refractory clay bricks and semi-silica bricks, up to 1750-1790C, belonging to high-grade refractory materials.

2. Load softening temperature:

Since the high aluminum has a high Al2O3 content, a low impurity content, and a low formation of the molten glass body, the fire-resistant softening temperature is higher than that of the refractory clay brick. However, since the mullite crystal has not yet formed a network structure, the load softening temperature is lower than the load softening temperature of the silica brick.

3. Slag resistance:

High Al2O3 has high Al2O3 content, close to neutral refractory material, and can resist the erosion of acid slag and alkali slag. Because it contains SiO2, the resistance to alkali slag is less than acid resistance.


Physical And Chemical Indicators For fire brick for heating furnace


Item/GradeFire clay brickHigh alumina brick
SK-35SK-38SK-42SK-45SK-55SK-65SK-75SK-85
AL2O3 % (≥)3538424555657585
Refractoriness °C (≥)16801730175017601770179017901850

Refractoriness under load,

0.2MPa, °C (≥)

13501370140014201450150015501600

Permanent linear

Change, %

1500°C ,2h0.1-0.40.1-0.40.1-0.40.1-0.4
1400 °C,2h+0.1
-0.3
+0.1
-0.3
1350 °C,2h+0.2
-0.4
+0.1
-0.3




Apparent porosity % (≤)2422202022232323
Cold crushing strength ,MPa (≥)2530354045506070

Application of Refractory Brick for Kiln Furnace


1. Iron&steel making industry:

fire clay brick for refining furnace fire clay brick for refining furnace,Blast furnace,hot blast furnace(stove),pellet shaft furnace,hot metal ladle,steel ladle, tundish,heating furnace,soaking pit furnace,heat treatment furnace,refining furnace,reheating furnace,metal mixter furnace,annealing furnace, cupola furnace,electric arc furnace,induction furnace,AOD furnace,VOD furnace,etc thermal technology equipment.

2. Non-ferrous Metal industry:

Smelting furnace,refining furnace,reverberatory furnace,converter furnace.

3. Building materials industry:

Cement kiln,glass kiln,ceramic kiln,lime kilns,kiln car,tunnel kiln

4. Energy & Incineration:Coke oven,general boiler,power,generation,boiler,circulating fluidized bed boiler,electric furnace,carbon rosating furnace,waste incinerators.

5. Others:Petrochemical industry furnace.

Product Tags:

fire clay bricks

  

magnesia chrome brick

  
Quality High Temperature Fire Brick Wedge Fire Resistant Refractory for Kiln Furnace for sale
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