|
|
 |
·热风炉砖· |
|
|
项目指标 |
AL2O3
≥ |
显气孔率(%)
≤ |
常温耐压强度(Mpa)≥ |
0.2Mpa荷重软化开始温度(℃)
≥ |
耐火度
(℃)
≥ |
重烧后线变化(%) |
1500℃*2h |
1450℃*2h |
高铝砖 |
65RL |
65 |
24 |
49.0 |
1500 |
1790 |
+0.1
-0.4 |
- |
RL55 |
55 |
24 |
44.1 |
1470 |
1770 |
+0.1
-0.4 |
- |
RL48 |
48 |
24 |
39.2 |
1420 |
1750 |
- |
+0.1
-0.4 |
粘土砖 |
RN42 |
42 |
24 |
29.4 |
1400 |
1750 |
0-0.4 |
- |
RN40 |
40 |
24 |
24.5 |
1350 |
1730 |
- |
0-0.3 |
RN36 |
36 |
26 |
19.60 |
1300 |
1690 |
- |
0-0.5 |
|
|
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