Magnesite-Chrome Brick

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镁铬砖一般是由烧结镁砂和耐火级铬矿为原料生产的,耐火晶粒间为硅酸盐结合,国内所说的镁铬砖,一般是指烧成的普通镁铬砖,简称镁铬砖。
镁铬砖的耐火度大于2000℃,荷重软化温度一般在1550℃以上,高温体积稳定性好,耐急冷急热性比镁砖强。
It is made with sintered magnesia and refractory level chrome ore as raw materials.the space between refractory grains is bonded with silicate.the domestic so called magnesite-chrome brick refers to sintered normal magnesite-chrome brick.
The refractoriness of magnesite-chrome brick is more than 2000℃,The refractories under load is above1550℃. good steady volume in high temperature,the performance of meeting sudden cold and sudden hot is better than magnesite brick.

 Details

指标
Index

MGe-20

MGe-16

MGe-12

MGe-8

MgO%≥

40

50

60

70

Cr2O3% ≥

20

16

12

8

0.2Mpa荷重软化开始温度℃ ≥
Refractoriness Under Load 0.2MPa℃

1700

1650

1580

1550

显气孔率(%) ≤
Apparent porosity%

18

18

18

18

常温耐压温度MPa ≥
Cold Crushing Strength MPa

40

40

40

40

 

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