Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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High Strength Lightweight Refractory Cement With Heat Shock Stability
Instructions
Lightweight thermal insulation material is a kind of water hard material, which is made of light insulation material and bonded materials
Features
1. Low thermal conductivity, low heat capacity, low impurity content
2. High strength, good thermal shock resistance, corrosion resistance to acid and alkali
3. High dimensional accuracy
Application
1. The furnace lining materials of various industrial furnaces, such as annealing furnace, carbonization furnace, annealing furnace, refinery heating furnace, cracking furnace, roller kiln, tunnel kiln, etc.
2. Backlining insulation materials for various industrial furnaces.
3. Reduction atmosphere furnace.
Phycial and chemical index
| Items | RSQJ-1 | |
| AL2O3,%,≥ | 40 | |
| CaO,%,≤ | 20 | |
| Dry bulk density g/cm3 ≥ | 0.9 | |
| 110℃*24h | 2.5 | |
| Cold Crushing Strength MPa ≥ | 1100℃*3h | 1.5 |
| 1400℃*3h | / | |
| 110℃*24h | 0.8 | |
| Modules of Rupture MPa ≥ | 1100℃*3h | 0.5 |
| 1400℃*3h | / | |
| Permanent linear change | 110℃*24h 0~-0.2 1000℃*3h 0~-1.5 | |
| Thermal conductivity | 600℃ | 0.25 |
| 1000℃ | 0.38 | |
Pictures
