refractory brick
Detailed Product Description
The bottom blow porous brick is the weak part of ladle refractory,which is the primary factor affects ladle life.our products can satisfy kinds of ladle smelting craft request.
Brand Specification | Al75 | Al80 | AlC75 | AZC80 | AL90 | AL95 | ALCB85 |
Al2O3 ≥ % | 75 | 80 | 75 | 75 | 90 | 93 | 85 |
ZrO2 % | - | - | - | 4 | - | - | - |
C % | - | - | 3 | 3 | - | - | 3 |
Apparent porosity ≤ | 15 | 14 | 8 | 7 | 12 | 12 | 7 |
Bulk density g/cm3 ≥ | 2.90 | 2.95 | 2.95 | 3.05 | 3.00 | 3.10 | 3.00 |
Compressive strength (MPa) ≥ | 60 | 60 | 50 | 50 | 80 | 80 | 50 |
High temperature bending strength (MPa) (1400*0.5h) MPa ; ≥ | 6 | 7 | 8 | 12 | 12 | 15 | 10 |
