Light weight Insulating Firebrick

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Product Description:

As specified by name, Insulating firebricks are of light weight, low thermal conductivity, excellent strength at ambient and elevated temperature. With very low levels of iron and other impurities, the bricks provide good resistance to chemical attach, can be used in tough, reducing atmosphere conditions. Every brick is ground to precise dimensions.    

Items

TM23

TM26

TM28

Classification Temperature (°C)

1260

1430

1540

Density (g/cm³)

0.55-0.6

0.8

0.9

Compressive Strength (MPa)

1.2

1.6

2.1

Deformation under hot load (0.07MPa) (%)

≤0.9 at 1100°C

≤0.2 at 11260°C

≤0.2 at 1320°C

Permanent linear shrinkage (%) after 24hrs

-0.5

-0.4

-0.5

Coefficient of reversible thermal expansion (%)

0.48

0.55

0.60

Chemical Analysis (%)

Al2O3

45

58

67

SiO2

47

38

30

Fe2O3

0.7

0.7

0.6

Thermal Conductivity  (W/m.K)

600°C

0.16

800°C

0.18

0.31

0.36

1000°C

0.20

0.33

0.38

1200°C

0.35

0.41

Applications


Kilns for the ceramic, tunnel, shuttle
Forge furnaces
Carbon baking furnaces
Atmosphere furnaces
High temperature kiln lining
Back up insulating of glass melting tanks
Insulating of tin bath area for float glass
Blast furnaces
Chemical and petrochemical industry
Non-ferrous metal industry


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