No
Chemical composition(%)
Physical index
Main features
Main uses
SiO2
Al2O3
Fe2O3
CaO
MgO
Pressure
(MPa)
Stoma
(%)
Density
(g/cm3)
Soft bearing
(℃)
Thermal shock (950℃ Air cooling,Time)
97
0.8
0.5
1.2
96.5
80
16
3.0
1700
10
High strength, corrosion resistance, spalling resistance and High temperature resistance
Steel making EAF, converter, glass kiln and transfer ladle.
95
2.0
0.7
1.5
94.5
70
17
2.95
1650
92
4.5
1.0
60
18
2.90
1550
Safety lining in all kinds of industrial furnaces.