热风炉用高铝砖
品牌型号：RL-65、RL-55、RL-48
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热风炉用高铝砖 |
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项目 |
RL-65 |
RL-55 |
RL-48 |
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Al2O3(%)min |
65 |
55 |
48 |
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0.2Mpa荷重软化开始温度(℃)min |
1500 |
1470 |
1420 |
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显气孔率(%)max |
22 |
22 |
22 |
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常温耐压强度(MPa)min |
50 |
45 |
40 |
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重烧线变化(%)max |
1500℃x2h |
0.1~-0.4 |
0.1~-0.4 |
*** |
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1450℃x2h |
*** |
*** |
0.1~-0.4 |
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