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
