NK.AL.80
Type of Product: High
Alumina Brick
Physical Properties:
|
Refractoriness (˚C) |
1800 |
|
Bulk Density (Kg/m3) |
2550 – 2700 |
|
Porosity (%) |
19 – 22 |
|
Cold Crushing Strength (Kg/Cm2) |
≥ 700 |
|
Modulus of Rupture (Kg/Cm2) |
≥ 180 |
Thermomechanical Properties:
|
Linear Change After heating at 1600° C ( % ) |
Max 1 |
|
Refractoriness Under load (°C) |
> 1500 |
|
Reversible Liner Thermal Expansion at 1400°C ( % ) |
Max 0.7 |
Chemical Analysis (%):
|
Al2O3 |
SiO2 |
Fe2O3 |
TiO2 |
Na2O+K2O+LiO2 |
|
78 – 82 |
14 -16 |
2.0 – 2.2 |
3.3 – 3.5 |
0.6 – 0.8 |
– The
above data are typical of the properties of commercial standard brick.
– The
data are subject to reasonable variations and therefore should not be used for
specification purposes.
– ASTM
Test Methods, where applicable, used for determination of data.