Bricks for tap hole and patching materials
| Brand/Index | MgO(%) | C(%) | Bulk density(%) | Bulk density(g/cm³) | Apparent porosity(%) | Compressive strength(MPa) |
|---|---|---|---|---|---|---|
| Steel opening sleeve brick, tail brick | 72-76 | 14-18 | 2.90-3.03 | ≤3.5 | ≥35 | |
| Outlet seat brick | 76-80 | 10-14 | 3.0-3.05 | ≤4.0 | ≥40 | |
| Steel outlet repair material | ≥87 | ≤3 | ≥2.60(110℃x24h) | ≤12 | ≥35 |
