粘土质隔热砖、高铝质隔热砖 |
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粘土质隔热砖 |
高铝质隔热砖 |
粘土质隔热耐火砖 |
项目/牌号 |
NG-1.5 |
NG-1.3A |
NG-1.3B |
NG-1.0 |
NG-0.9 |
NG-0.8 |
NG-0.7 |
NG-0.6 |
NG-0.5 |
NG-0.4 |
NG-0.3 |
体积密度g/cm3 |
≤1.5 |
≤1.3 |
≤1.3 |
≤1.0 |
≤0.9 |
≤0.8 |
≤0.7 |
≤0.6 |
≤0.5 |
≤0.4 |
≤0.3 |
常温耐压强度/MPa |
≥6 |
≥4.5 |
≥4 |
≥3 |
≥2.5 |
≥2.5 |
≥20 |
≥1.5 |
≥1.2 |
≥1 |
≥0.8 |
重烧线变化不大于2%的试验温度/℃ |
1400 |
1400 |
1350 |
1350 |
1300 |
1250 |
1250 |
1200 |
1150 |
1150 |
1150 |
热导率(平均温度350±25℃)/w/(m.k) |
≤0.70 |
≤0.60 |
≤0.60 |
≤0.60 |
≤0.40 |
≤0.35 |
≤0.35 |
≤0.25 |
≤0.25 |
≤0.20 |
≤0.125 |
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高铝质隔热耐火砖 |
项目/牌号 |
LG-1.0 |
LG-0.9 |
LG-0.8 |
LG-0.7 |
LG-0.6 |
LG-0.5 |
LG-0.4 |
AL2O3/% |
≥48 |
≥48 |
≥48 |
≥48 |
≥48 |
≥48 |
≥48 |
Fe2O3/% |
≤2.0 |
≤2.0 |
≤2.0 |
≤2.0 |
≤2.0 |
≤2.0 |
≤2.0 |
体积密度g/cm3 |
≤1.0 |
≤0.9 |
≤0.8 |
≤0.7 |
≤0.6 |
≤0.6 |
≤0.4 |
耐压强度/MPa |
≥4 |
≥3.5 |
≥3 |
≥2.5 |
≥2 |
≥1.5 |
≥0.8 |
重烧线变化不大于2%的试验温度/℃ |
1400 |
1400 |
1400 |
1350 |
1350 |
1250 |
1250 |
热导率(平均温度350±25℃)/w/(m.k) |
≤0.50 |
≤0.45 |
≤0.35 |
≤0.35 |
≤0.30 |
≤0.25 |
≤0.20 |
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