莫来石质保温砖
品牌型号：JM-23、JM-26、JM-28、JM-30
产品主要特点1.制品中铁及碱金属低温熔融物杂质少，高温耐火性能好，能有效抵抗还原气氛的影响。2.结构均匀、体轻、耐压强度高、隔热性能好、炉体在冷热过程中蓄热少，能有效节约能源。3.制品烧成后，进行研制磨整形，尺寸公差小，能满足施工的有关要求。
用途：该系列产品是冶金、石化、建材、机械等行业中特种工业炉最理想的炉衬和隔热材料，可用作隔热层或不受高温熔融物侵蚀部位直接作工作层。该产品已用于冶金：热镀锌炉、硅钢处理炉、高炉热风炉、石化、乙烯裂解炉、制氧炉、一段转化炉、硫磺回收装置及其它如：辊道窑、梭式窑、防（抗）渗碳（氮）炉等热工装置中取得了满意的效果。
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JM-23 |
JM-26 |
JM-28 |
JM-30 |
|
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Al2O3(%)min |
37 |
50 |
60 |
68 |
|
Fe2O3(%)max |
||||
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SiO2(%)max |
45 |
43 |
36 |
29 |
|
安全使用温度(℃) |
1260 |
1430 |
1540 |
1650 |
|
体积密度(g/cm3) |
||||
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抗折强度(Mpa)min |
||||
|
耐压强度(Mpa)min |
||||
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重烧线变化率(%)max |
1230℃×24h |
1400℃×24h |
1510℃×24h |
1600℃×24h |
|
可逆热膨胀率1090℃(%) max |
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导热系数(w/m.k)max 400℃ 600℃ 800℃ 1000℃ |
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