低灰炭砖（FDG-PD）Low-ash Carbon Block
Low ash carbon bricks are mainly made of electric forged low ash anthracite coal as the main raw material, with medium temperature asphalt as the binder. After forming, they are roasted at high temperature and finely processed.
The main performance is to have low ash content and a certain thermal conductivity, which meets the needs of blast furnaces, submerged arc furnaces, and electric furnaces. It can be used as a lining material for metallurgical furnaces such as submerged arc furnaces and electric furnaces.
序号No | 项目Items | 要求Require | 单位Unit | 低灰炭砖FDG-PD | ||
| 保证值Guarantee | 典型值 Typical | |||||
| 1 | 灰分 Ash | ≤ | % | 3.5 | 3 | |
| 2 | 体积密度 Bulk Density | ≥ | g/cm3 | 1.57 | 1.60 | |
| 3 | 耐压强度 Compressive Strength | ≥ | MPa | 35 | 38 | |
| 4 | 显气孔率 Apparent Porosity | ≤ | % | 15 | 13 | |
| 5 | 导热系数 Thermal Conductivity | 600℃ | ≥ | W/(m·K） | 10 | 12 |
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