Feature: High-quality synthetic mullite, high purity corundum as the main raw material, adding special additive, via high pressure molding, the high temperature burn becomes, the product has soft,high porosity Hollywood, low thermal shock performance is good,wear-resisting performance is good wait for a characteristic.Can be widely used in steel,non-ferrous metal smelting furnace,boiler and wastes incinerator.
指标Index 项目Item | 刚玉莫来石砖Corundum mullite bricks | 莫来石砖Mullite bricks |
Al₂O₃ (%)≥ | 80 | 70 |
体积密度(g/cm³)≥Bulk Density | 2.6 | 2.6 |
显 气 孔 率 ( % ) ≤Apparent Porosity | 18 | 18 |
常温耐压强度(MPa)Cold Crushing Strength | 100 | 90 |
热震稳定性(1000℃,水冷,次)≥Thermal Shock Resistance(1000℃,water quenching,cycle) | 25 | 25 |
0.2MPa荷重软化开始温度(℃)≥0.2MPa Refractoriness Under Load | 1550 | 1500 |
导热系数(700℃,W/m.k)≤Thermal Conductivity | 2.0 | 1.5 |
最高使用温度(℃)≥Rervice Temperature | 1600 | 1550 |
耐火度(℃)≥Refractoriness | 1790 | 1790 |
耐磨度(cm³)≤Wear-resistance | 8 | 8 |