The stuffing sand is filled with bulk material at the bottom of the ladle. The main varieties are siliceous, magnesia, chromium and forsterite based.
Main physical and chemical performance index:
Index |
TN-YL-1 |
TN-YL-2 |
TN-YL-3 |
SiO2 % ≥ |
93 |
46 |
35 |
MgO % ≥ |
--- |
25 |
--- |
Cr2O3 % ≥ |
--- |
--- |
24 |
C % ≥ |
2 |
--- |
2 |
Refractoriness ℃ ≥ |
--- |
1750 |
1750 |
Bulk density g/cm3 ≥ |
1.4 |
1.85 |
2.0 |