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Alumina hollow ball brick
High temperature heat insulation refractory material: it is made of molten alumina hollow ball and composite binder, which are formed by vibration and fired at high temperature.
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Introduction
Standard brick specifications:230*114*65mm
Product introduction:High temperature heat insulation refractory material: it is made of molten alumina hollow ball and composite binder, which are formed by vibration and fired at high temperature.
Physical and chemical indicators:
| Serial Number | Project | Indicators | |
| 1 | chemical composition | Al2O3/% | ≥90 |
| 4 | Fe2O3/% | ≤0.2 | |
| 5 | Physical Performance | Bulk density/(g/cm3) | 1.6～1.7 |
| 7 | Normal temperature compressive strength/MPa | ≥8 | |
| 8 | Load softening temperature (0.2MPa,T0.6)/℃ | ≥ 1700 | |
| 9 | Thermal shock stability (1100 ℃, water cooling)/time | ≥8 | |
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Alumina hollow ball brick
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