Nozzle brick is made by unburned production process by using high-purity alumina and carbon as raw materials, adding phenolic resin as binder.
Features: good corrosion resistance, excellent thermal shock resistance
Application: It is applied to ladle, the upper nozzle service life could reach more than 20 furnaces, and the lower nozzle service life is 3~4 furnaces.
Main physical and chemical performance index:
|
Index |
SK-1 |
SK-2 |
|
Al2O3 % ≥ |
80 |
70 |
|
C % ≥ |
5.0 |
4.0 |
|
Apparent porosity % ≤ |
10 |
11 |
|
Bulk density g/cm3 ≥ |
2.92 |
2.90 |
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