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Maintenance service
Repair Materials
Repair materials
| High thermal shock brick physicochemical index | ||
|---|---|---|
| chemical composition（%），SiO2 | ≥99 | |
| alkali metal （%）， Na2O3 + K2O | ＜0.2 | |
| bulk density | ~1.85 g/cm3 | |
| Compressive strength at ambient temperature | ≥40MPa | |
| Thermal expansion rate 1000℃ | ＜0.2% | |
| The thermal shock is stable, 1000 degrees centigrade, and water cooled | ≥30 | |
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