Features: Series tundish coating is an alternative to insulating board must be used for efficient continuous casting materials are easy to apply, no cracking, corrosion resistance, easy disintegration Characteristics, not only reduced compared with the insulation board refractory per ton of steel costs, and reduce non-metallic inclusions in liquid steel to improve the purity of the liquid steel to improve the steel performance.
| 项 目Item | 指标 Index | LXTM-1 | LXTM-2 | LXTM-3 |
| MgO(%)≥ | 82 | 85 | 70 | |
| CaO(%)≤ | / | 10 | ||
| Al₂O₃ (%)≥ | 4 | 3 | 3 | |
| Fe₂O₃ (%)≤ | 1.7 | 1.5 | 3.3 | |
| 体积密度(g/cm³)≥ Bulk Density | 110℃×24h | 2.40 | 2.45 | 2.60 |
| 耐 压 强 度 ( MPa ) ≥ Cold crushing strength | 110℃×24h | 6.0 | 10.0 | 2.0 |
| 1500℃×3h | 4.0 | 12 | 6.0 | |
| 线变化率(1500℃×3h,%)Permanent linear change | -1.7～-2.0 | -1.5~-1.8 | -1.3~-1.5 | |
