Unshaped Refractory for Oil Refining Device Wear-resisting castable refractory Castable Refractory for Incinerator
Corundum castable refractory
Physical-chemical Index
| Chemical composition | Index | Physical properties | Index | |
| Al2O3 | ≥97% | Max Service Temperature | 1800oC | |
| SiO2 | <0.3% | Refractoriness | 1790oC | |
| Fe2O3 | <0.3% | Compressive Strength(MPa) | At 110oC | >80 |
| At 815oCx3h | >80 | |||
| CaO | <3.0% | Bending Strength(MPa) | At 110oC | >8 |
| At 815oCx3h | >8 | |||
| Linear change ratio after firing at 1400oCx3h | 0.2% | |||
| Bulk Density At 110oC (kg/m3) | 3000 | |||
ollow ball Castable Refractory
Physical-Chemical Index
| Chemical composition | Index | Physical properties | Index | |
| Al2O3 | ≥93% | Max Service Temperature | 1750oC | |
| SiO2 | <0.3% | Refractoriness | 1790oC | |
| Fe2O3 | <0.3% | Compressive Strength(MPa) | At 110oC | >40 |
| At 815oCx3h | >40 | |||
| CaO | <6.0% | Bending Strength(MPa) | At 110oC | >6 |
| At 815oCx3h | >6 | |||
| Linear change ratio after firing at 1400oCx3h | 0.2% | |||
| Bulk Density At 110oC (kg/m3) | 1700 | |||