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|
 |
粘土砖 |
| |
| |
项目 |
指标 |
N-1 |
N-2a |
N-2b |
N-3b |
N-4 |
N-5 |
N-6 |
耐火度°C > |
1750 |
1730 |
1730 |
1710 |
1690 |
1670 |
1580 |
荷重软化开始温度≮ |
1400 |
1350 |
|
|
1300 |
|
|
重烧线变化% |
1400°C 2h |
+0.1 |
+0.1 |
+0.2 |
|
|
|
|
-0.4 |
-0.5 |
-0.5 |
|
|
|
|
1350°C 2h |
|
|
|
+0.2 |
+0.2 |
+0.2 |
|
|
|
|
-0.5 |
-0.5 |
-0.5 |
|
显气孔率≯ |
22 |
24 |
26 |
24 |
24 |
26 |
28 |
常温耐压强度≮Mpa |
30 |
25 |
20 |
15 |
20 |
15 |
15 |
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|
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