Refractory Fire Clay Brick

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General Information

Fireclay bricks are made from clinker clay. The alumina content ranges from 36% to 48%.

Feature
Low thermal conductivity        
High refractoriness  
High mechanical strength      
Excellent thermal shock resistance

Application
Fireclay bricks are commonly applied in blast furnace, hot blast furnace, teeming ladle, glass furnace, etc.

Item

Index

SK-30

SK-32

SK-34

SK-35

AL2O3 %  

30

35

38

45

Fe2O3 %  

2.5

2.5

2

2

Refractoriness(SK)

30

32

34

35

Refractoriness Under Load, 0.2MPa, (°C )

1250

1300

1350

1400

Apparent Porosity (%)

22-26

22-26

20-24

20-22

Bulk Density (g/cm³)

1.9-2.0

1.95-2.1

2.1-2.2

2.15-2.22

Cold Crushing Strength (MPa)

20

25

25

30

Thermal Expansion at 1000°C (%)

0.8

0.6

0.6

0.5

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Q:Small size black brick can replace refractory bricks for wood burning fireplace?
Absolutely not. Refractory brick's color looks like that of stone which is also very antique. Black brick can also be pasted on refractory brick. To cope with the use of refractory cement
Q:Are sintered brick concrete bricks?
Many kinds of brick, according to the raw materials used for clay brick, shale, coal gangue brick, fly ash brick, lime sand bricks and slag brick;According to the production process can be divided into sintered brick and non fired brick, in which non fired brick can be divided into compressed brick, steam brick and autoclaved brick;With or without holes, ordinary bricks, porous bricks and hollow bricks can be divided into ordinary bricks.
Q:What should be paid attention when the refractory brick kiln furnace reaches a certain service life and will be removed?
Q:Why can't gravity retaining walls be made of clay bricks?
The masonry of gravity retaining walls, of course, takes into account compression problems, and the use of clay bricks requires consideration of compression calculations and service life.
Q:Is the waste of the fire resistant hazardous waste?
Refractory waste should refer to the used refractory material, which more or less have some pollution. low grade material such as clay brick and high alumina brick can be used repeatedly on the spot, such as breaking it and making it into waste refractory bricks sand, unshaped refractory meterial or low-grade refractory brick, or just bury it in a pit. collect high grade bricks such as corundum brickand silicon carbide brick and sell, they are sought after, the price per ton ranges from several hundred to several thousand. pay special attention not to dispose waste refractory bricks containing metal chromium at random, for it is toxic and carcinogenic. Collect them and seal them up, looking for manufacturers to buy and reuse.
Q:General used refractory brick T-20 / T-39/ T-206 specifications and dimension
No T-206 model (we produce the clay) T-20 and T-39 are the size of 230*length, 113* width and 65/45 thickness, T-20 is a vertical arch brick and T-39 is horizontal arch brick.
Q:What are 85 bricks, 95 bricks and standard bricks? What are the specifications?
95 bricks are standard bricks.Specifications:95 bricks: 240*115*53mm85 bricks: 216*105*43mmArtificial brick, small bulk building, divided into brick (clay brick) and non sintered brick (sand lime brick, fly ash brick etc.), commonly known as brick.
Q:several refractory brick of rotary kiln several is damaged, how many refractory bricks should be replaced?
The life of refractory bricks in rotary kiln is generally short.
Q:Will the heat be taken away by the refractory brick
The heat will be taken away by the refractory bricks.
Q:What is the difference between fused brick and clay brick?
Electric melting brick with pure alumina and zirconia containing silica 65%, about 34% of the zircon sand in electric furnace melting after internalization into moulds cooling and the formation of the white solid, the petrographic structure by zirconium corundum and plagioclase eutectoid and glass phases, from the phase is corundum phase zirconium plagioclase eutectoid phase, glass phase filling between their crystallization.

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