Alkali-resistant castable use alumina silicate materials as aggregate and powder, configured with alumina cement and admixture. It reacts with alkali metal oxide at high temperature to form a high viscosity liquid phase, forming a glaze-like protective layer.
Alkali resistant castable is mostly widely used refractory materials in cement kilns.
|
Product |
Alkali Resistant Castable |
||
|
Item |
13L |
14NL |
|
|
Chemical Analysis |
Al2O3 (%)≦ |
48 |
48 |
|
|
SiO2(%)≧ |
50 |
50 |
|
Bulk Density (g/cm3) |
110℃*24H |
2.1 |
2.2 |
|
Cold Crushing Strength (MPa) |
110℃*24H |
70 |
70 |
|
|
1100℃*3H |
70 |
70 |
|
Permanent Liner Change |
1100℃*3H |
±0.4 |
±0.4 |
|
Wear Resistance(cm3) |
≦8 |
≦8 |
|
|
Max Service Temp.(℃) |
1300 |
1400 |
|
|
Water Addition (%) |
6.5~7.5 |
6.0~7.0 |
|
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