|
Items |
LZ-80 |
LZ-75 |
LZ-65 |
LZ-55 |
LZ-48 |
|
Al2O3 % ≥ |
95.5 |
95 |
94 |
96 |
48 |
|
Fe2O3 % ≤ |
1.5 |
1.5 |
1.8 |
1.8 |
2.0 |
|
Al2O3+TiO2+R2O |
0.5 |
||||
|
Refractoriness under load 0.2Mpa ℃ |
≥1520 |
≥1520 |
≥1500 |
≥1450 |
≥1420 |
|
Mpa CCS |
≥60 |
≥54 |
≥49 |
≥45 |
≥40 |
|
Reheating linear change
(1450℃,2h) % |
+0.1/-0.4 |
+0.1/-0.4 |
+0.1/-0.4 |
+0.1/-0.4 |
+0.1/-0.4 |
|
Refractoriness |
>1790 |
>1750 |
>1730 |
>1710 |
>1690 |
