|
| 粘土砖及高铝砖 |
|
 |
|
|
高铝砖
|
|
一级高铝 |
二级高铝 |
三级高铝 |
|
LZ-75 |
LZ-65 |
LZ-55 |
LZ-48 |
|
Al2O3,≥ % |
75 |
65 |
55 |
48 |
|
耐火度 Refractoriness,≥,℃ |
1790 |
1770 |
1750 |
|
0.2Mpa 荷重软化开始温度 RUL, T0.6,℃≥,℃ |
1520 |
1500 |
1470 |
1420 |
|
重烧线变化
Linear change on reheating,% |
1500℃×2h |
+0.1 |
-0.4 |
-0.4 |
|
1450℃×2h |
— |
— |
+0.1
-0.4 |
|
显气孔率 Apparent porosity,≤ % |
23 |
22 |
|
常温耐压强度 CCS,≥Mpa |
≥53.9 |
≥49.0 |
≥44 |
≥40 |
粘土砖
|
|
NZ-45 |
NZ-40 |
|
Al2O3,%,≥ |
45 |
40 |
|
耐火度 Refractoriness,℃ |
1750 |
1730 |
|
荷重软化温度 RUL,T0.6,℃ |
1400 |
1350 |
|
重烧线变化 Linear change on reheating(1400 ℃×2h),% |
-0.4～+0.1 |
-0.5～+0.1 |
|
显气孔率 Apparent porosity,% |
22 |
24 |
|
耐压强度 CCS,Mpa |
30 |
25 |
|
热震稳定性 Thermal shock resistance |
良好 Excellent |
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