玻化微珠的物理性能 |
项目Item | I 类 | II 类 | III 类 |
堆积密度/kg/m³ Bulk density | <80 | <80~120 | > 120 |
筒压强度/kPa Cylindrical compressstrength | ≥50 | ≥150 | ≥200 |
导热系数/W/(m·K)平均温度25℃ Heat conductivity Average temperature 25℃ | ≤0.043 | ≤0.048 | ≤0.070 |
体积吸水率/% Volatile waterabsorption | ≤45 | ||
体积漂浮率/% Volume floating rate | ≥80 | ||
表面玻化闭孔率/% Surface vitrified close cellcontent |
玻化微珠的物理性能 |
项目Item |