热风炉用高铝砖、粘土砖 |
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主要技术参数: |
项目/名称 |
热风炉用高铝砖 |
热风炉用粘土砖 |
RL-65 |
RL-55 |
RL-48 |
RN-42 |
RN-40 |
RN-36 |
AL2O3/% |
≥65 |
≥55 |
≥48 |
≥42 |
≥40 |
≥36 |
耐火度/% |
≥1790 |
≥1770 |
≥1750 |
≥1750 |
≥1730 |
≥1690 |
0.2MPa荷重软化开始温度/℃ |
≥1550 |
≥1470 |
≥1420 |
≥1400 |
≥1350 |
≥1300 |
重烧线变化率/% |
1500℃×2h |
0.1-0.4 |
- |
0-0.4 |
- |
- |
1450℃×2h |
- |
- |
0.1-0.4 |
- |
0-0.3 |
0-0.5 |
显气孔率/% |
≤24 |
≤24 |
≤24 |
≤26 |
常温耐压强度/MPa |
≥49 |
≥44.1 |
≥39.2 |
≥29.4 |
≥29.4 |
≥19.6 |
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