JM23/K23 Mullite insulation brick is mainly composed of mullite and a small amount of binder, it is white, the alumina content is between 38% and 44%, and the refractoriness is 1350°C. It is used as the inner lining and insulation layer of small and medium-sized industrial kilns.
| 项目/等级 | JM-23 | ||
|---|---|---|---|
| ω（Al2O3)/% | 42 | 45 | 48 |
| ω（铁2O3)/% | 1.2 | 1.0 | 1.0 |
| 体积密度（克/立方厘米） | 0.6 | 0.8 | 1.0 |
| 冷压强度/兆帕 | 1.5 | 2.3 | 3.0 |
| 永久线性变化/% | -0.55 | -0.4 | -0.3 |
| 1260℃×12h | 1300℃×12h | 1300℃×12h | |
| 导热系数 350℃ ≤/[W/(m-K)] | 0.19 | 0.24 | 0.31 |
1.优异的绝缘性能 2.性能稳定可靠 3.抗压强度高 4.重量轻，易于安装
1.电力行业： 火力发电厂锅炉、烟囱和其他设备 2.石化工业： 石油精炼设备蒸馏塔和储罐中化学反应器的隔热层 3.玻璃工业： 例如，玻璃窑的内衬保温层 4.陶瓷窑： 陶瓷工业窑炉保温层