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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.
Technical Data
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
alumina corundum brick furnace lining