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【Advantage】： Lightweight insulation castables are mainly used for the lining of thermal equipment
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Lightweight insulation castables are mainly used for the lining of thermal equipment such as the thermal insulation layer of high-temperature industrial furnaces. The material has the advantages of moderate strength and good insulation performance. Lightweight thermal insulation castable is a kind of refractory castable made of aluminate cement, high alumina fine material, ceramsite and some additives. This type of refractory castable has the characteristics of light weight, high compressive strength, resistance to acid and acid gas corrosion, heat insulation, heat preservation, and low breakdown rate.
Lightweight insulating castabel is used for rotary kiln and industrial kiln for heat insulation or single-lager lining.
| Al2O3 % | 15 | |
| Bulk density g/cm³ ≥ | 0.4 | |
| Cold bending strength MPa ≥ | 110℃ | 1.5 |
| 500℃ | 0.5 | |
| Thermal Conductivity W/( m.k) ≤ | 0.06 | |
| Work tempeture ℃ | 600 | |
| Performance | The overall construction has the characteristics of strong air tightness, good heat insulation effect, high strength, and small shrinkage rate | |
| Refractory materials with different indicators can be customized according to requirements | ||
