|  | 电炉顶用高铝砖
| 项目 |
超高功率电炉用 |
普通功率电炉用 |
| 电极孔砖 |
电炉盖砖 |
DL-80 |
BDL-75 |
| G.V |
T.V |
G.V |
T.V |
G.V |
T.V |
G.V |
T.V |
| Al2O3(%) |
≥81 |
82.1 |
≥78 |
85.3 |
≥80 |
85.32 |
75 |
77.32 |
| TiO2(%) |
≤2.9 |
1.8 |
≤3.5 |
2.8 |
|
|
|
|
| Fe2O3(%) |
≤1.7 |
1.2 |
≤2.0 |
1.6 |
|
|
|
|
| 显气孔率 (%) |
≤22 |
19 |
≤24 |
19.3 |
≤19 |
17 |
≤19 |
16 |
| 常温耐压强度 Mpa |
≥60 |
87.3 |
≥50 |
75.7 |
≥78 |
96 |
≥65 |
89 |
| 抗震稳定性 (950℃,water cooling),cycles |
≥20 |
>20 |
≥20 |
>20 |
|
|
≥20 |
26 |
| | |
|
|