Fireclay Brick with Al2O3 content around 42%

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Qingdao
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TT OR LC
Min Order Qty:
17 m.t
Supply Capability:
10000 m.t/month

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General Information
CMAX high alumina firebricks are classified according to alumina content ranging from 48% to 90%.

Feature
Low thermal conductivity   
Excellent acid and base slagging resistance
High refractoriness    
Excellent thermal shock resistance    
Excellent mechanical strength

Application
CMAX high alumina bricks are commonly used in blast furnace, hot blast furnace, the roof of electric furnace, teeming ladle, rotary kiln, regenerator, etc

 

ITEM

UAL48

UAL55

UAL65

UAL75

UAL80

UAL85

ALP80

Refractoriness,

1750

1770

1790

1790

1810

1810

1810

Apparent Porosity,%

22

22

23

23

20

20

18

C.C.S, Mpa

39

44

49

53

55

60

100

Refractories Under Load (0.2Mpa),℃

1420

1470

1500

1520

1500

1520

1550

Reheating Linear Change,%

1450x2h              0.1-0.4

1500x2h              0.1-0.4

1500x2h              0.1-0.4

1500x2h       0.1-0.4

1550x2h              -0.5+0.5

1550x2h              -0.5+0.5

1550x2h              -0.5+0.5

Al2O3 Content , %

48

55

65

75

80

85

82

 

 

Fireclay Brick with Al2O3 content around 42%

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Q:What is the role of refractory brick, whether is there any books to introduce refractory bricks
Refractory bricks are generally used to build a hearth. Such as, boiler, furnace (molten metal), air heating furnace etc, the furnace need refractory bricks to bulid.
Q:what effect does big mortar joints of the boiler refractory brick have on the boiler?
The ventilation leakage。 Now the larger boilers are generally used refractory pouring material one-time pouring, the arch is easy to collapse . 2, shrinkage and expansion of brick will make the bricks fall. 1, do not use the refractory brick. too large seam will effect the tightness of furnace wall , and the water wall is easy to form dew and be corroded and to leak smoke.
Q:Whether yellow dextrin is used in refractory bricks?
use professional mortar, do not use yellow dextrin
Q:does the furnace wall use refractory bricks to keep the heat? Or use the insulation material to keep heat ?
if use the rock wool or aluminum silicate, the furnace arch and furnace wall of biomass boiler all use refractory brick, and outside the furnace wall there is a layer of insulation material, some is perlite coal-fired boiler
Q:How many squares of a ton refractory bricks?
About 2 tons , general one square clay brick is about 2 tons, from 2, one square corundum brick or magnesia bricks can reach 3 tons, it should say one square is how many tons. if it is high aluminum, then see the content of aluminum. It mainly sees what refractory bricks, because the volume and density of refractory bricks are relatively large.2 tons to 2
Q:Do refractory bricks insulate heat?
The light brick inside the brick is heat insulation brick, according to the different bulk density, the effect is also different
Q:How to prevent high alumina refractory brick from producing crack when reproduce high alumina refractory brick?
1-1, on the 1 in order to prevent the emergence of crack in the production of high alumina refractory brick. 2 is appropriate, the water absorption rate of the tube mill should be controlled below 6%, the excess air coefficient controlled between level 1 and 2. The water absorption rate of clinker of bauxite with high alumina controlled under 4%-5%, making the high aluminum refractory brick burning in a smoothly and steadily weak oxidation atmosphere, and should be adjusted by thermotechnic
Q:What is the life of an old fashioned refractory brick kiln transformed into a flat topped tunnel kiln? what material should be used to transform the old fashioned refractory bricks vault kiln to flat tunnel kiln, and how long is the service life?
123
Q:What should be paid attention when the refractory brick kiln furnace reaches a certain service life and will be removed?
Q:Can mud and salt be used as refractory materials
Definitely not, the refractory temperature of soil just is more than 800 degrees, it belongs to eutectic mixture

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