Raw material basis

Low iron fire clay  

Max Service Temperature (°C)

1580

Dry castable required (Kg/m³)

2250 – 2350

Approximate amount of water required (%)

7.5 – 8.5

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

2300 – 2400

Grain size (mm)

0 – 5

Thermomechanical

  Properties:

Cold Crushing

Strength

(Kg/Cm²)

Modulus of

Rupture

(Kg/Cm²)

Linear

Change

(%)

 After drying at  110 ° C

≥ 500

≥ 60

negligible

 After heating at 1400° C

≥ 600

≥ 90

– 0.3 to -0.8

Al₂O₃

SiO₂

Fe₂O₃

CaO

51 – 56

35 – 40 

1.3 – 1.7

3 – 3.5