|
项目 Project |
指标Index |
||||
|
Lz-75 |
Lz-65 |
Lz-55 |
|||
|
AL2O3%≥ |
75 |
65 |
55 |
||
|
耐火度℃ Refractory degree centigrade |
≥ |
1790 |
1790 |
1770 |
|
|
0.2Mpa荷重软化开始温度RUL,℃ 0.2Mpa refractoriness under load was RUL, C |
1520 |
1500 |
1470 |
||
|
重烧线变化率PLC% Reheating linear change rate of PLC% |
1550℃x5h |
+0.1 -0.4 |
|||
|
1450℃x2h |
|||||
|
显气孔率，%≤ Apparent porosity,% |
23 |
22 |
|||
|
常温耐压强度ccs，Mpa≥ Room temperature compressive strength of CCS, Mpa |
53.9 |
49.0 |
44.1 |
||
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