ISOTEK™ Insulating Firebricks

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