镁砖钢铁有色
产品参数Product parameters
| 指标Specification/牌号Brand | 镁砖 MgO brick | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| ZMZ-98A | ZMZ-98B | ZMZ-97A | ZMZ-97B | ZMZ-96 | ZMZ-95A | ZMZ-95B | ZMZ-92 | ZMZ-91 | |
| MgO % ≥ | 97.5 | 97.3 | 97.0 | 96.5 | 96.0 | 95.0 | 94.5 | 92.0 | 91.0 |
| SiO2 % ≤ | 0.6 | 0.6 | 0.8 | 1.0 | 1.5 | 2.0 | 2.0 | 3.5 | 5.0 |
| CaO % ≤ | 1.0 | 1.1 | 1.3 | 1.5 | 1.5 | 2.0 | 2.5 | 2.5 | 3.0 |
| 显气孔率 % ≤ Apparent porosity | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 18 |
| 体积密度 g/cm³ ≥ Bulk density | 3.02 | 3.00 | 3.00 | 2.98 | 2.98 | 2.95 | 2.95 | 2.93 | 2.90 |
| 常温耐压强度 MPa ≥ Cold Crushing Strength | 65 | 65 | 65 | 60 | 60 | 60 | 55 | 55 | 55 |
| 0.2MPa荷重软化开始温度 ℃ ≥ Refractoriness Under Load of 0.2MPa | 1700 | 1700 | 1670 | 1650 | 1600 | 1560 | |||
