高铝砖
|
一级高铝
|
二级高铝
|
三级高铝
|
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|
LZ-75
|
LZ-65
|
LZ-55
|
LZ-48
|
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|
Al2O3,≥ %
|
75
|
65
|
55
|
48
|
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|
耐火度 Refractoriness,≥,℃
|
1790
|
1770
|
1750
|
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|
0.2Mpa 荷重软化开始温度 RUL, T0.6,℃≥,℃
|
1520
|
1500
|
1470
|
1420
|
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|
重烧线变化
Linear change on reheating,% |
1500℃×2h
|
+0.1
|
-0.4
|
-0.4
|
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|
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
|
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粘土砖
|
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