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類別性能 Class performance | 工作層澆注料 | 永久層澆注料 | 鐵水包包口料 | 不燒磚 | |
---|---|---|---|---|---|
化學成份(%) Chemical composition | Al2O3(%) | 60 | 55 | 45 | 50 |
SiC+C | 12 | ||||
體積密度(g/cm3) Bulk density | 110℃x24h | 2.5 | 2.10 | 2.0 | 2.2 |
線變化率(%) Linear change rate | 1450℃x3h | ±1.0 | ±1.0 | ±1.0 | ±1.0 |
抗折強度(Mpa) Flexural strength | 110℃x24h | 3 | 3 | 5 | |
1450℃x3h | 6 | 6 | 10 | ||
耐火度(℃) Refractoriness | 1790 | 1690 | 1790 | 1790 |