Raw material basis

bauxite 

Max Service Temperature (°C)

1650

Dry castable required (Kg/m³)

2600 – 2700

Approximate amount of water required (%)

7.5 – 8.5

Bulk density after drying at 110°C (Kg/m³)

2700 – 2800

Grain size (mm)

0 – 5

Thermomechanical

  Properties:

Cold Crushing

Strength

(Kg/Cm²)

Modulus of

Rupture

(Kg/Cm²)

Linear

Change

(%)

 After drying at  110 ° C

≥ 800

≥ 85

negligible

 After heating at 1400° C

≥ 950

≥ 100

– 1.5 to -2.5

Al₂O₃

SiO₂

Fe₂O₃

CaO

82 – 85

5 – 7

1.5 – 2

4 – 5