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Mullite poly light brick
product Overview:
Mullite poly light heat-insulating brick is a product made by mixing and mixing mullite, polylight ball and binder in a certain ratio, extruding and molding, and firing after high temperature. Mainly used for industrial furnace insulation, energy saving and consumption reduction.
Physical and chemical indicators:
| Item | MJ-1400 | MJ-1500 | ||||
| 0.6 | 0.8 | 1.0 | 0.6 | 0.8 | 1.0 | |
| Al2O3 % ≥ | 50 | 66 | ||||
| Fe2O3 % ≤ | 1.0 | 0.8 | ||||
| Bulk Density g/cm³ ≤ | 0.6 | 0.8 | 1.0 | 0.6 | 0.8 | 1.0 |
| Compressive strength at room temperature Mpa ≥ | 1.9 | 3.9 | 7.8 | 1.9 | 3.9 | 7.8 |
| 0.2MPa load softening start temperature ℃ ≥ | 1300 | 1350 | 1400 | 1350 | 1400 | 1450 |
| Thermal Conductivity【W/(m·K)】average temperature（350±10）℃ ≤ | 0.25 | 0.35 | 0.50 | 0.25 | 0.35 | 0.50 |
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