Insulating Castable
Widely used in the lining of kilns, thermal equipment, flues and smoke windows in various industries and the insulation layer of atmosphere kilns.
Bulk Density(g/cm³): 0.5-1.8;
Max. Service Temperature/℃: 1150-1350;
Cold Crushing Strength(110℃*24h)≥: 1.5-20MPa;
Thermal Conductivity (W/m·k)350℃: 0.15-0.65;
Permanent Linear Change (1000℃*3h)/%: -0.5;
Technical Data
| Item/Grade | QJ-0.5 | QJ-0.8 | QJ-1.0 | QJ-1.1 | QJ-1.3 | QJ-1.5 | QJ-1.8 | |
|---|---|---|---|---|---|---|---|---|
| Bulk Density (g/cm³) | 0.5 | 0.8 | 1.0 | 1.1 | 1.3 | 1.5 | 1.8 | |
| Max. Service Temperature/℃ | 1150 | 1200 | 1250 | 1250 | 1300 | 1300 | 1350 | |
| Thermal Conductivity Coefficient ≤/[W/(m·K)] | 350℃ | 0.15 | 0.25 | 0.3 | 0.4 | 0.45 | 0.6 | 0.65 |
| 700℃ | 0.20 | 0.30 | 0.4 | 0.45 | 0.5 | 0.7 | 0.75 | |
| Cold Crushing Strength ≥/MPa | 110℃*24h | 1.5 | 2.0 | 4.0 | 5.5 | 10 | 15 | 20 |
| 1000℃*3h | 1.5 | 2.0 | 5.5 | 6.5 | 15 | 20 | 30 | |
| Permanent Linear Change (1000℃*3h)/% | -1.5 | -1.0 | -1.0 | -0.5 | -0.5 | -0.5 | -0.5 | |
Advantages of Lightweight Insulating Castable
1. Lightweight easier to handle;
2. Low Thermal Expansion;
3. Good Thermal Shock Resistance.
