低灰炭磚（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.
序號No | 項目Items | 要求Require | 單位Unit | 低灰炭磚FDG-PD | ||
| 保證值Guarantee | 典型值 Typical | |||||
| 1 | 灰分 Ash | ≤ | % | 3.5 | 3 | |
| 2 | 體積密度 Bulk Density | ≥ | g/cm3 | 1.57 | 1.60 | |
| 3 | 耐壓強度 Compressive Strength | ≥ | MPa | 35 | 38 | |
| 4 | 顯氣孔率 Apparent Porosity | ≤ | % | 15 | 13 | |
| 5 | 導熱系數 Thermal Conductivity | 600℃ | ≥ | W/(m·K） | 10 | 12 |
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