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It is made of white high alumina and sintering mullite, which compose Al2O3 ≥75%, max endure 1450℃ in high temperature furnace.
It is made of white high alumina and sintering mullite, which compose Al2O3 ≥75%, max endure 1450℃ in high temperature furnace.
| Cordundum mullite brick | ||
| Item | Unit | ZM-80 |
| Al2O3 , | % | ≥85 |
| Fe2O3, | % | ≤1.5 |
| Bulk density, | g/cm3 | ≥2.70 |
| Apparent porosity, | % | ≤20 |
| Cold crushing strength, | Mpa | ≥80 |
| Refractoriness under load ℃ T0.6 | ℃ | ≥1520 |
| Theraml conductivity, ave temp 350±25℃) | W/mk | ≤0.35 |