Name
|
corundum products
|
Ingredient
|
Dense fused corundum, Synthetic mullite etc
|
Fire resistant
|
1790℃
|
Advantages
|
1.high density& temperature resistibility
2. low bulk density, high compressive strength,
3. resistance to high temperature
4.good thermal shocking resistance
5.Excellent corrosion resistant to acids and alkalis
6.They are not influenced by H2,CO gases during use
|
Size and specifications
|
230x114x65mm
The size, density, chemical composition can be customized.
|
Item
|
High purity corundum bricks
DL-98
|
Normal corundum bricks
DL-95
|
Normal corundum bricks
DL-90
|
Corundum Mullite Products
MDL-80
|
Chrome corundum brick/corundum-chrome firebrick
GDL-85
|
Al2O3%≥
|
98.5
|
95
|
90
|
80
|
85
|
Cr2O3%≥
|
/
|
/
|
/
|
/
|
8
|
SiO2%≤
|
0.3
|
3.0
|
9.0
|
18
|
0.2
|
Fe2O3%≤
|
0.2
|
0.2
|
0.5
|
0.5
|
0.2
|
R2O%≤
|
0.3
|
0.6
|
0.6
|
0.4
|
0.5
|
Bulk Density
(g/cm3 ≥)
|
3.0
|
2.9
|
2.9
|
2.7
|
3.1
|
Compressive
strength
at normal temperature
(MPa≥)
|
75
|
100
|
100
|
60
|
80
|
Fire resistant
(°C≥)
|
1790
|
1790
|
1790
|
1790
|
1790
|
Soften point under 0.2 MPa load
KD °C
|
1700
|
1650
|
1650
|
1700
|
1700
|
Liner Change(%)1600°C x3h
|
0.2
|
0.2
|
0.2
|
0.3
|
0.2
|
Thermal shock stability
1100 °C water
|
6
|
10
|
10
|
20
|
15
|