NK-CAST A-18M

 

 

Type of Product: High Alumina Medium Cement Dense Castable (M.C.C)

 

 

Physical Properties:

Raw material basis

Tabular Alumina 

Max Service Temperature (°C)

1830

Dry castable required (Kg/m3)

2800 – 2850

Approximate amount of water required (%)

7 – 8

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

2850 – 2950

Grain size (mm)

0 – 5

 

 

Thermomechanical

 

  Properties:

 

Cold Crushing

Strength

(Kg/Cm2)

Modulus of

Rupture

(Kg/Cm2)

Linear

Change

(%)

 After drying at  110 ° C

≥ 600

≥ 65

negligible

 

 After heating at 1475° C

≥ 700

≥ 90

– 0.3 to 0.5

 

 

 

 

 

Chemical Analysis (%):

Al2O3

Fe2O3

CaO

≥ 95 

0.1

3 – 3.5

 

 

Packing in 25 Kg Bags.

 

 

–  All data subject to reasonable deviations, and therefore, should not be used for specification purposes. 

–  ASTM Test Methods, where applicable, used for determination of data.