项目 | 指标 | ||||||
NG1.5 | NG1.3 | NG1.2 | NG1.0 | NG0.8 | NG0.6 | NG0.5 | |
体积密度 g/cm3 | ≤1.5 | ≤1.3 | ≤1.2 | ≤1.0 | ≤0.8 | ≤0.6 | ≤0.5 |
常温耐压强度MPa | ≥6 | ≥5 | ≥4.5 | ≥3.5 | ≥2.5 | ≥1.3 | ≥1.0 |
加热永久线变化 % | -2~1 | ||||||
1400℃×12h | 1350℃×12h | 1300℃×12h | 1250℃×12h | 1200℃×12h | 1150℃×12h | ||
导热系数 W/(m·K) 350±25℃ |
≤0.65 | ≤0.55 | ≤0.50 | ≤0.40 | ≤0.35 | ≤0.25 | ≤0.23 |
项目 | 指标 | |||||
LG-1.2 | LG-1.0 | LG-0.8 | LG-0.7 | LG-0.6 | LG-0.5 | |
Al2O3 % | ≥48 | |||||
Fe2O3 % | ≤2 | |||||
体积密度 g/cm3 | ≤1.2 | ≤1.0 | ≤0.8 | ≤0.7 | ≤0.6 | ≤0.5 |
常温耐压强度MPa | ≥4.5 | ≥3.5 | ≥2.5 | ≥2.2 | ≥1.6 | ≥1.2 |
加热永久线变化% | 1400℃×12h ≤-2 |
1350℃×12h ≤-2 |
1250℃×12h ≤-2 |
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导热系数 W/(m·K) 350±25℃ |
≤0.55 | ≤0.50 | ≤0.35 | ≤0.30 | ≤0.25 | ≤0.20 |
项目 | 指标 | |||||||
JM23 | JM25 | JM26 | JM27 | JM28 | JM30 | JM32 | ||
Al2O3 % | ≥40 | ≥50 | ≥55 | ≥60 | ≥65 | ≥70 | ≥77 | |
Fe2O3 % | ≤1.0 | ≤1.0 | ≤0.9 | ≤0.8 | ≤0.7 | ≤0.6 | ≤0.5 | |
体积密度 g/cm3 | ≤0.55 | ≤0.80 | ≤0.85 | ≤0.9 | ≤0.95 | ≤1.05 | ≤1.35 | |
常温耐压强度MPa | ≥1.0 | ≥1.5 | ≥2.0 | ≥2.5 | ≥2.5 | ≥3.0 | ≥3.5 | |
加热永久线变化 % | 1230℃×12h | 1350℃×12h | 1400℃×12h | 1450℃×12h | 1510℃×12h | 1620℃×12h | 1730℃×12h | |
-1.5~0.5 | ||||||||
导热系数 W/(m·K) | 200±25℃ | ≤0.18 | ≤0.26 | ≤0.28 | ≤0.32 | ≤0.35 | ≤0.42 | ≤0.56 |
350±25℃ | ≤0.20 | ≤0.28 | ≤0.30 | ≤0.32 | ≤0.37 | ≤0.44 | ≤0.60 | |
600±25℃ | ≤0.22 | ≤0.30 | ≤0.33 | ≤0.36 | ≤0.39 | ≤0.46 | ≤0.64 | |
0.05MPa荷重软化温度 T0.5 ℃ | ≥1080 | ≥1200 | ≥1250 | ≥1300 | ≥1360 | ≥1470 | ≥1570 |