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Silica brick is one of main products in xinmi Horton. It is widely used as refractory material for glass kiln.
Index | Index | |
Item | Furnace bottom, Furnace wall | other |
SiO2, % | ≥94.5 | |
Al2O3, % | ≤1.0 | |
Apparent Porosity, % | ≤21 | ≤23 |
Cold Compressive Strength, Mpa | ≥45 | ≥40 |
True Density, g/cm3 | ≤2.33 | ≤2.33 |
Refractoriness, °C | ≥1710 | |
Refractoriness under load, 0.2Mpa | ≥1650 | |
Reheating Linear change rate, 1450×2h, % | ≤0.2 | |
Residual Quartz, % | ≤1 | |
Thermal Expansivity, % | ≤1.26 | |
good stability silica brick