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Silica brick features:
The brick is shaped by high pressure and sintered at high temperature. with excellent high-temperature physical performance and chemical erosion resistance.
The technical specification:
| item | Silica brick for hot blast stove | |
| floor & wall brick | other brick | |
| SiO2 ≥ | 95% | |
| Fe2O3 ≤ | 1.5% | |
| Al2O3 ≤ | 1.5% | |
| CaO ≤ | 2.5% | |
| cold crushing strength ≥ | 40Mpa | 35Mpa |
| apparent porosity ≤ | 22% | 24% |
| true density ≤ | 2.33g/cm3 | 2.34g/cm3 |
| thermal expansion 1000ºC≤ | 1.28% | 1.30% |
| residual quartz ≤ | 1.0% | |
| refractoriness under load Ta ≥ | 1650ºC | |
Silica brick features:
The brick is shaped by high pressure and sintered at high temperature. with excellent high-temperature physical performance and chemical erosion resistance.
The technical specification:
| item | Silica brick for hot blast stove | |
| floor & wall brick | other brick | |
| SiO2 ≥ | 95% | |
| Fe2O3 ≤ | 1.5% | |
| Al2O3 ≤ | 1.5% | |
| CaO ≤ | 2.5% | |
| cold crushing strength ≥ | 40Mpa | 35Mpa |
| apparent porosity ≤ | 22% | 24% |
| true density ≤ | 2.33g/cm3 | 2.34g/cm3 |
| thermal expansion 1000ºC≤ | 1.28% | 1.30% |
| residual quartz ≤ | 1.0% | |
| refractoriness under load Ta ≥ | 1650ºC | |
