項目/等級 | 粘 土 耐 火 磚 | 高 鋁 耐 火 磚 |
ZYN-30 | ZYN-38 | ZYN-42 | ZYG-55 | ZYG-65 | ZYG-75 |
化學(xué)含量() Chemical Analysis | AL2O3?? | 30 | 38 | 42 | 55 | 65 | 75 |
Fe2O3? ?≤ | 2.5 | 2.0 | 2.0 | 2.0 | 2.0 | 2.0 |
耐火度Refractoriness | SK | 32 | 34 | 35 | 36 | 37 | 38 |
°C | 1710 | 1750 | 1770 | 1790 | 1825 | 1850 |
荷重軟化溫度, 0.2Mpa, T2 (°C)?? Refractoriness Under Load??≥ | 1350 | 1400 | 1450 | 1500 | 1530 | 1560 |
顯氣孔率()??≤ Apparent Porosity | 24 | 22 | 22 | 22 | 22 | 22 |
體積密度(g/cm3)?? Bulk Density | 2.0~2.1 | 2.1~2.2 | 2.2~2.3 | 2.2~2.4 | 2.3~2.6 | 2.4~2.6 |
耐壓強(qiáng)度(Mpa)???≥ Cold Crushing Strength | 25 | 35 | 40 | 45 | 50 | 55 |
重?zé)變化1500°C×2小時() Permanent Linear Change | 0~-0.4 1350°C×2Hrs | 0~-0.3 1400°C×2Hrs | 0~-0.2 | 0~-0.2 | 0~-0.2 | 0~-0.2 |