Introduction
Ladle drainage sand into ordinary ladle drainage sand and refining ladles drainage sand two, with high purity natural raw material, through scientific and reasonable particle gradation, made by a special process. Since opening rate is high, with little impurity. Main physical and chemical indexes of MgO- C Brick
| Items | Index | ||
| Ordinary ladle drainage sand | Refining ladles drainage sand | ||
| Chemical ingredients,% | SiO2; | ≥94 | ≤25.0 |
| Cr2O3; | / | ≥30 | |
| H2O; | ≤0.2 | ≤0.15 | |
| Particles in the air(mm),% | 0.25~2.0; | ≥90.0 | / |
| 0.5~1.0; | / | 15.0~26.0 | |
| 0.1~0.5; | / | 74.0~85.0 | |
| 0.1; | ≤1.0 | ≤1.0 | |
