The refractoriness of JM26 is above 1430℃. The refractoriness and pressure of JM26 are slightly higher than that of JM23. It is commonly used in the lining and insulation layer of some large industrial kilns.
| 项目/等级 | JM-26 | |||
|---|---|---|---|---|
| ω（Al2O3)/% | 54 | 55 | 56 | 56 |
| ω（铁2O3)/% | 0.9 | 0.8 | 1.0 | 1.0 |
| 体积密度（克/立方厘米） | 0.7 | 0.8 | 0.9 | 1.0 |
| 冷压强度/兆帕 | 2.0 | 2.3 | 2.8 | 3.2 |
| 永久线性变化/% | -1.0 | -0.65 | -0.5 | -0.5 |
| 1400℃×12h | 1400℃×12h | 1400℃×12h | 1400℃×12h | |
| 导热系数 350℃ ≤/[W/(m-K)] | 0.21 | 0.25 | 0.30 | 0.32 |
1.Excellent insulation performance
2.Stable and reliable performance
3.High compressive strength
4.Lightweight, easy to install
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