KR 28 IFB

KR 26 IFB

KR 23 IFB

Brand

1540

1430

1260

Max. Service

Temperature (°C)

-0.5

-0.6

-0.2

Permanent Linear Change (%)

0.9-1.0

0.75-0.86

0.6-0.75

Bulk Density (gr/cm³)

25-35

20-30

13-18

Cold Crushing Strength (kg/cm²)

0.2

0.75

0.65

Thermal Expansion At 1100°c (%)

67

57

36

%Al₂O₃

Chemical

Composition

32

40

55

%SiO₂

0.6

0.75

0.6

%Fe₂O₃

-

-

1

%CaO

0.32

0.26

0.19

400°c

Thermal Conductivity (w/MK)

0.33

0.30

0.22

600°c

0.36

0.31

0.29

800°c

0.39

0.32

0.33

1000°c

0.42

0.36

-

1200°c