Henan Hongtai Kiln Refractory Co.,Ltd. |
Verified Suppliers
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Item | Fused silica brick | Fused silica saggar | Clay bonded fused silica brick |
Max service temperature | 1250 | 1250 | 1250 |
SiO2% ≧ | 98 | 98 | 95 |
Al2O3% ≦ | 1 | 1 | 4 |
Fe2O3% ≦ | 0.2 | 0.2 | 0.2 |
Bulk Density(g/cm3)≧ | 1.75 | 1.7 | 1.75 |
Cold Crushing Strength(MPa)≧ | 35 | 30 | 30 |
Thermal Shock resistance ,cycles (1100℃ to cool water)≧ | 50 | 50 | 40 |
Refractoriness under load (0.2Mpa.0.6%)≧ | 1650 | 1600 | - |
Thermal expansion coefficient (Room Temp to 1000℃) | 0.6 | 0.6 | 0.8 |