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Sillimanite brick for coke oven, due to its advanced production technology and raw material formula, has the characteristics of low porosity, high bulk density, high thermal strength, good toughness, strong thermal shock resistance, high corrosion resistance and long service life. It is mainly used in coke oven head and chamber room.
Through in-depth research in recent years, it is shown that the sillimanite brick for coke oven produced YDRM has superior performance, and all indexes reach or exceed the international advanced level. It is a refractory product with excellent characteristics to replace ordinary high alumina brick products.
项 目 Item | 指 标 Index | |
W（Al2O3） | % | ≥60 |
W（Fe2O3） | % | ≤1.3 |
0.6MPa荷重软化开始温度 Refractoriness Under Load at 0.6MPa | ℃ | ≥1600 |
显气孔率 Apparent Porosity | % | ≤18 |
常温耐压强度 Cold Crushing Strength (CCS) | MPa | ≥60 |
体积密度 Bulk Density | g/cm3 | ≥2.55 |
1000℃热膨胀率 Permanent Linear Change(1000℃) | % | ≤0.6 |
抗热震性（1100℃，水急冷-直形砖试样） Thermal shock Resistance (1100℃-Hydrocooling) | 次 Times | ≥25 |
耐火度 Refractoriness | ℃ | ≥1760 |
