Adopts lightweight aggregates, premium refractory raw material, additives and so on as primary raw materials, and are mixed and tempered. Lightweight insulating castable for sale features in excellent low temperature, medium temperature and high temperature mechanical performance, excellent insulating performance, energy saving, convenient construction and so on.
Lightweight Insulating Castable Physiochemical Indexes
Item | Insulating castable | Perlite insulating castable | Diatomite insulating castable |
Al2O3 % | 30 | 20 | 15 |
Bulk density g/cm3 | 0.5 | 0.4 | 0.4 |
Crushing strength MPa(110℃) | 2.5 | 2 | 1.5 |
Thermal conductivity(w/m·K) | ≤0.20 | ≤0.1 | ≤0.06 |
Max. working temperature ℃ | 900 | 600 | 600 |
Lightweight Insulating Castable Applications
Lightweight insulating castable is widely used in the insulating lining or working lining of industrial furnaces, covering CFB boiler, chemical industry, petrol industry and so on.