爐壁用鎂碳磚
| 指標/牌號 | BNC8 | BMC10 | BMC14 | BMC18 | BMC14A+ | BMC18A+ |
|---|---|---|---|---|---|---|
| MgO(%) | ≥82 | ≥80 | ≥76 | ≥72 | ≥77 | ≥73 |
| C(%) | ≥8 | ≥10 | ≥14 | ≥18 | ≥14 | ≥18 |
| 顯氣孔率(%) Apparent porosity | ≤6 | ≤4 | ≤3.5 | ≤3 | ≤3.5 | ≤3 |
| 體積密度(g/cm3) Bulk density | ≥3 | ≥3 | ≥2.95 | ≥2.90 | ≥2.95 | ≥2.95 |
| 常溫耐壓強度(MPa) C.C.S | ≥45 | ≥40 | ≥40 | ≥35 | ≥40 | ≥35 |
相關(guān)標簽：
電爐耐材
