Features: It is made of corundum as aggregate, fused refractory cement as binder, plus some additives. The product has the characteristics of high temperature resistance, erosion resistance, erosion resistance and high strength, and is suitable for high temperature and easy wear parts in various thermal furnaces.
Physical and chemical indicators:
Brand | Al2O3 | SiO2 | CaO | Compressive strength(MPa) | Flexural strength(MPa) | Line rate of change(%) | Bulk density(g/cm3) | Refractoriness(℃) | |||
100℃×24hr | 1500℃×3hr | 100℃×24hr | 1500℃×3hr | 100℃×24hr | 1550℃×3hr | 110℃×24hr | |||||
Superior product | 93 | 0.5 | 4 | 80 | 120 | 8 | 10 | 0.5 | 0.5 | 2.9 | 1800 |
First grade | 93 | 1 | 4 | 60 | 100 | 6 | 9 | 0.5 | 0.5 | 2.9 | 1800 |