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名称:复合镁铁铝尖晶石砖

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复合镁铁尖晶石砖以高纯镁砂和铁铝尖晶石为主要原料,严格控制烧成温度和烧成气氛,使产品具有良好的柔韧性和热震稳定性。挂窑皮性能及耐侵蚀性能超过优质镁铬砖。该产品是大型干法水泥回转窑内衬的更新换代产品。
Magnesite-ferrum spinel brick and synthetic magnesite-ferrum-alumina spinel brick are made of high purified magnesite clinker and ferrum-alumina spinel clinker at strictly controlled temperature and sintered atmosphere,which enables the product to have good flexibility and temperature vibration. The performances of attaching kiln wall and corrosion resistance are better good quality magnesite chrome brick.the product is update product for lining of large dry cement rotary kilns.
 

 详细介绍
指标
Index
MFA-80 MFA-75
MgO%≥ 83 82
Al2O3%≤ 3-6 4-7
Fe2O3% 5-8 5-8
显气孔率(%)≥
Apparent porosity%
17 17
体积密度 (kg/m3)≥
Bulk Density(kg/m3)
3.00 2.98
常温耐压强度 MPa≥
Cold Crushing Strength MPa
45 45
0.2MPa荷重软化开始温度℃
Refractoriness Under Load 0.2MPa℃
1700 1680
热稳定性(1100℃风冷,次)≥
Thermal Shock Resistance (1100℃ water cooling,times)
5 5

 

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