High Dense Refractory Castable
High Dense Refractory Castable 1.Al2O3:60%min; 2.Strong wear resistance; 3.Small reheating linear change; 4.excellent CCS.
specfications:
| Low cement castables | Ultralow cement | Non - cement | Mullite | ||||||||||
| Brand | WLC-45 | WLC-70 | WLC-85 | WUC-45 | WUC-70 | WUC-85 | WNC-45 | WLC-70 | WNC-85 | MP-45 | MP-60 | MP-70 | |
| Chemical composition (%) | AL2O3 | ≥45 | ≥70 | ≥85 | ≥45 | ≥70 | ≥85 | ≥45 | ≥70 | ≥85 | ≥45 | ≥60 | ≥70 |
| Cao | ≤2.5 | ≤2.5 | ≤2.5 | ≤1.5 | ≤1.2 | ≤1.0 | — | — | — | ≤2.0 | ≤2.0 | ≤2.0 | |
| Volume density | ≥2.3 | ≥2.6 | ≥3.0 | ≥2.3 | ≥2.6 | ≥3.0 | ≥2.3 | ≥2.6 | ≥3.0 | ≥2.3 | ≥2.3 | ≥2.5 | |
| (g/cm³) | |||||||||||||
| Bending strength (Mpa) | 110°C after drying at | ≥5.0 | ≥8.0 | ≥12.0 | ≥4.0 | ≥6.0 | ≥10.0 | ≥2 | ≥3 | ≥4 | ≥4.0 | ≥4.0 | ≥4.0 |
| °C×3h after fining at | 1350≥8 | 1350≥12 | 1500≥15 | 1350≥10 | 1350≥12 | 1350≥15 | 1350≥9 | 1350≥10 | 1500≥12 | 1350≥8 | 1350≥10 | 1350≥10 | |
| Crushing strength (Mpa) | 110°C after drying at | ≥20 | ≥30 | ≥40 | ≥20 | ≥30 | ≥40 | ≥10 | ≥12 | ≥15 | ≥20 | ≥20 | ≥20 |
| °C×3h after fining at | 1350≥40 | 1350≥50 | 1500≥60 | 1350≥50 | 1350≥60 | 1500≥70 | 1350≥50 | 1350≥70 | 1350≥80 | 1350≥40 | 1350≥45 | 1350≥50 | |
| °C×3h Linear change rate after firing (%) | 1350±0.5 | 1350±0.5 | 1500±0.5 | 1350±0.5 | 1350±0.5 | 1500±0.5 | 1350±0.5 | 1350±0.5 | 1500±0.5 | 1350±0.5 | 1350±0.5 | 1350±0.5 | |
| Serivce temperature(°C) | 1400 | 1500 | 1600 | 1400 | 1500 | 1600 | 1400 | 1500 | 1600 | 1400 | 1500 | 1600 | |
Applications:
Widely used in various industry furnaces as refractory linings, such as blast furnaces, hot alr stove, reheating furnaces, soaking pit, water-cooling pipe binder, trough covers, steel ladle covers, electric furnaces roofs ceramic kilns, cement kilns, boilers, high temperature klins in the fields of petrochemistry and chemistry etc.
High Dense Refractory Castable
