| Item 项目 | Self-baked carbon block 自焙炭块 | carbon block for blast furnace 高炉炭块 | Semi-graphite baked carbon block 半石墨质焙烧炭块 | Microporous carbon block 微孔炭砖 | Micro porous carbon block 超微孔炭砖 | Graphite block 石墨砖 | Semi-graphite-carbon-silicon carbide block 半石墨炭-碳化硅砖 | ||
| F.C(%) | ≥ | 93 | 86 | 78 | 98 | 50 | |||
| SiC(%) | ≥ | 30 | |||||||
| Ash(%) | ≤ | 6.0 | 13.0 | 10.0 | 20.0 | 1 | |||
| Apparent Porosity 显气孔率(%) | ≤ | 20 | 25 | 22 | 18 | 16 | 15 | 25 | 16 |
| Bulk Density 体积密度(g/cm3) | ≥ | 1.5 | 1.45 | 1.5 | 1.6 | 1.63 | 1.7 | 1.55 | 1.8 |
| Cold Crushing Strength 常温耐压强度(Mpa) | ≥ | 30 | 25 | 30 | 35.0 | 38 | 36 | 25 | 35 |