项目 | 高铝质隔热砖 | |||||||||||
LG-1.0 | LG-0.9 | LG-0.8 | LG-0.7 | LG-0.6 | LG-0.5 | LG-0.4 | ||||||
Al2O3 % | ≥48 | |||||||||||
Fe2O3 % | ≤2.0 | |||||||||||
体积密度 g/cm3 | ≤1.0 | ≤0.9 | ≤0.8 | ≤0.7 | ≤0.6 | ≤0.5 | ≤0.4 | |||||
常温耐压强度 Mpa | ≥3.92 | ≥3.43 | ≥2.94 | ≥2.45 | ≥1.96 | ≥1.47 | ≥0.78 | |||||
导热系数 w/m.k | ≤0.45 | ≤0.45 | ≤0.35 | ≤0.35 | ≤0.3 | ≤0.25 | ≤0.20 | |||||
重烧线变化≤2%的实验温度 °C | 1400 | 1400 | 1400 | 1350 | 1350 | 1250 | 1250 |