项 目 \ 牌 号 | C60 | C80 | C80R | UC80 | B60 | B75 | B80 | B85 | Clay-SiC复合砖 | |
SIC部分 | 粘土部分 | |||||||||
Al2O3 % | ≥60 | ≥80 | ≥80 | ≥80 | ≥60 | ≥75 | ≥80 | ≥85 | ≤4 | ≥45 |
Fe2O3 % | ≤1.5 | ≤1.5 | ≤2.0 | ≤2.0 | ≤1.7 | ≤1.5 | ≤1.5 | ≤1.5 | SiC≥75 | |
耐火度 ℃ | ≥1790 | ≥1820 | ≥1820 | ≥1820 | ≥1770 | ≥1790 | ≥1790 | ≥1790 | ≥1750 | ≥1750 |
显气孔率 % | ≤19 | ≤19 | ≤19 | ≤19 | ≤22 | ≤22 | ≤22 | ≤22 | ≤19 | ≤19 |
体积密度 g/cm3 | ≥2.5 | ≥2.65 | ≥2.9 | ≥2.9 | ≥2.45 | ≥2.55 | ≥2.70 | ≥2.70 | ≥2.50 | ≥2.2 |
常温耐压强度 Mpa | ≥80 | ≥80 | ≥80 | ≥80 | ≥50 | ≥60 | ≥60 | ≥70 | ≥60 | ≥40 |
荷重软化温度 ℃ | T2≥1530 | T2≥1550 | KD≥1550 | T2≥1600 | KD≥1500 | KD≥1500 | KD≥1550 | KD≥1550 | T2≥1600 | T2≥1400 |
重烧线变化(1500℃×5h) % | >+0.2 | >+0.2 | ±0.2 | >+0.5 | 1500℃×2h | 1500℃×2h | 1500℃×2h | 1500℃×2h | 1500℃×2h | 1500℃×2h |
热膨胀 at 1000℃ | ≤0.7 | ≤0.7 | ≤0.6 | ≤0.7 | ||||||
热震稳定性, 次 | 1300℃空冷 | 1300℃空冷 | 1300℃空冷 | 1300℃空冷 | 1100℃水冷 | 1100℃水冷 | 1100℃水冷 | 1100℃水冷 | ||
用 途 | 水泥窑过渡带、冷却带、分解带等 |