Home | Products | RH degasser
 

1Inlet and outle Snorkel, Inlet and outlet leg- Unburned magnesia-spinel brick

Test Item Physical properties Chemical properties
Bulk density /(g/cm3) CCS 
/MPa
Permanent linear ratio /% MgO+Al2O3
/%
Test condition 110×24h 110×24h 1600×3h
Unburned magnesia-spinel brick ≥3.00 ≥60.0 0+1.0 ≥94.00

 

2Middle vessel, Upper vessel- Unburned magnesia-spinel brick


Test Item
Physical properties Chemical properties
Bulk density /(g/cm3) CCS 
/MPa
Permanent linear ratio /% MgO+Al2O3/%
Test condition 110×24h 110×24h 1600×3h
Unburned magnesia-spinel brick ≥2.95 ≥50.0 0+1.0 ≥92.00

 

3Curved tube, Permanent layer - Unburned magnesia-spinel brick


Test Item
Physical properties Chemical properties
Bulk density /(g/cm3) CCS /MPa Permanent linear ratio /% MgO+Al2O3/%
Test condition 110×24h 110×24h 1600×3h
Unburned magnesia-spinel brick ≥2.90 ≥45.0 0+1.5 ≥90.00

 

4For snorkel - Castable


Test Item
Physical properties Chemical properties
Bulk density /(g/cm3) CCS/MPa Permanent linear ratio /MPa MgO+Al2O3/%
Test condition 110×24h 110×24h 1500×3h 1500×3h 1600×3h
Castable ≥2.95 ≥30.0 ≥50.0 -0.5+0.5 -0.5+0.5 ≥86.00

 

5For Peephole and lance hole - Castable

Test Item Physical properties Chemical properties
Bulk density /(g/cm3) CCS/MPa Al2O3 /%
Test condition 110×24h 1500×3h
Castable ≥2.65 ≥50.0 ≥70.00

 

6Permanent layer - Lightweight  high-alumina brick


Test Item
Physical properties Chemical properties
Bulk density /(g/cm3) CCS/MPa Thermal conductivity /(w/mk) Al2O3 /%
Test condition 110×24h 110×24h 350
Lightweight  high-alumina brick ≤1.10 ≥2.0 ≤0.60 ≥45.00

 

7Permanent layer - Insulating calcium-silicate board


Test Item
Physical properties Chemical properties
Bulk density /(g/cm3) CMOR/MPa Thermal conductivity /(w/mk) CaO+SiO2/%
Test condition 110×24h 110×24h 70
Insulating calcium-silicate board ≤0.30 ≥0.3 ≤0.10 ≥80.00