Manufacture Low Apparent Porosity Mullite Insulating Fire Brick

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
1000 m.t./month

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Packaging & Delivery

 

Packaging Details:

Wood carton box:10pcs/carton wooden   pallet:544pcs/pallet

Delivery Detail:

15 Days deposit


Mullite Insulation Refractory Bricks 
Refractory Insulation Bricks 
Refractory Bricks Manufacturer 
Al2O3:48%, 
B.D.:0.5~1.0g/c 

 

Insulation bricks are classified under temperature between 1300ºC and 1700ºC, manufactured from high purity alumina clay by mixing, press-forming, drying, sintering and machining. Bricks contain carefully-graded organic fillers which are burned out during sintering to give a uniform controllable pore structure. This technique makes product feature low thermal conductivity and excellent heat insulation

 

Refractory Insulation brick can be used as a hot face lining directly exposed to the heat or as a backup insulation layer in iron and steel mills, non ferrous foundries, petrochemical, ceramic, glass, cement and oil fired electric power generating plants.

 

ADVANTAGES: 

Light weight and low thermal conductivity allows thinner furnace walls 
Maintain stable structural strength throughout ambient to maximum service temperature 
Low heat storage results in rapid cooling and heating operation 
Low iron and impurities to enhance reducing atmosphere 
High thermal shock resistance in preventing spalling 
Non standard sizes and shapes are available upon request 

 

Quality

JM-23

JM -26

JM -28

JM -30

JM -32


Classification   temperature(oC)

1260

1430

1540

1650

1760


Bulk density   (g/cm3)

0.6

0.8

0.9

1

1.25


Crushing   strength (Mpa)

1.2

1.6

2.1

2.5

3.5


Modulus of   rupture (Mpa)

0.9

1.4

1.6

2.1

2.1


Permanent linear   change (CT-30oCX24h)%

0.5

0.4

0.5

0.9

0.9


Reversible   thermal expansion at 1100oC

0.5

0.7

0.8

0.9

1.1


Thermal shock   resistance(cycles)1100oC Water cooling

30

30

30

30

30


Thermal   conductivity (W/m.k)

400oC

0.14

0.27

0.32

0.41

0.49


600oC

0.16

0.29

0.34

0.43

0.5


800oC

0.18

0.31

0.36

0.44

0.51


1000oC

0.2

0.33

0.38

0.45

0.53


1200oC

-

0.35

0.41

0.47

0.56


Chemical   Analysis (%)

Al2O3

37

58

67

73

77


Fe2O3

0.7

0.7

0.6

0.5

0.4





Manufacture Low Apparent Porosity Mullite Insulating Fire Brick

Manufacture Low Apparent Porosity Mullite Insulating Fire Brick

Manufacture Low Apparent Porosity Mullite Insulating Fire Brick


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