1.Product description
The corundum brick’s Al2O3 content is as high as 90% . For its better characters, the corudum brick often be used in petrochemical industry furnace, gasification furnace and large fertilizer equipment, and more than 1600° C super high temperature furnace, liner of furnace. It has longer Service life and it is reliable in quality.
2.Technical parameters
|
Item
|
Corundum Brick 99
|
Corundum Brick 90
|
Mullite Corundum Brick
|
|
Al2O3 %
|
≥99
|
≥90
|
≥80
|
|
SiO2 %
|
≤0.2
|
≤8
|
≤18
|
|
Fe2O3 %
|
≤0.2
|
≤0.2
|
≤0.3
|
|
Bulk Density g/cm3
|
≥3.2
|
≥3.0
|
≥2.8
|
|
Apparent porosity %
|
≤19
|
≤18
|
≤18
|
|
Cold compressive strength MPa
|
≥100
|
≥100
|
≥100
|
|
(0.2Mpa,0.6%)Load softening began to temperature °C
|
≥1700
|
≥1700
|
≥1700
|
