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Tundish

1Slag stopper barrier of working layer

Test item
Physical properties Chemical properties
Bulk density /(g/cm3) CCS /MPa CMOR /MPa MgO/%
Test condition 110× 24h 110× 24h 110× 24h
Slag stopper barrier ≥2.75 ≥60.0 ≥5.0 ≥82.00

2Turbulator of working layer

Test item Physical properties Chemical properties
Bulk density /(g/cm3) CCS /MPa CMOR /MPa MgO/%
Test condition 110× 24h 110× 24h 110× 24h
Turbulator ≥2.70 ≥80.0 ≥8.0 ≥75.00

3MgO-based coating material of working layer

Test item Physical properties Chemical properties
Bulk density/(g/cm3) CCS /MPa CMOR/MPa MgO/%
Test condition 110× 24h 110× 24h 110× 24h
MgO-based coating material ≥1.8 ≥0.5 ≥1.0 ≥72.00

4Gas curtain of working layer

Test item Physical properties Chemical properties
Bulk density /(g/cm3) Al2O3 /%
Test condition 110× 24h
Gas curtain ≥2.35 ≥80.00

5High-alumina castable / precast of permanent layer

Test item Physical properties Chemical properties
Bulk density /(g/cm3) CCS /MPa CMOR /MPa Al2O3 /%