Zhengzhou Rongsheng Refractory Co., Ltd.
Zhengzhou Rongsheng Refractory Co., Ltd. Refractory manufacturing company.
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High Temperature Fired Magnesia Dolomite Brick , Refining Furnace High Density Bricks
Fired magnesia dolomite brick
Description:
This product is manufactured from naturally occuring high Magnesia Dolomite grain. It is fired at high temperature to form a very low porosity and extremely high density brick .They can be applied in AOD/VOD refining furnace.
Physical and chemical index
|
Item |
Chemical property (%) |
Apparent porosity( %) ≤ |
Bulk density (g/cm3) ≥ |
Cold crushing strength (Mpa) |
Refractoriness under load (0.2Mpa 0.6% 0C) |
||
|
MgO |
CaO |
S+A+F |
|||||
|
MDZ-1 |
87 |
5 |
2.0 |
18 |
2.95 |
50 |
1680 |
|
MDZ-2 |
80 |
10 |
2.0 |
18 |
2.95 |
50 |
1680 |
|
MDZ-3 |
80 |
15 |
2.0 |
18 |
2.95 |
50 |
1700 |
|
MDZ-4 |
75 |
20 |
1.5 |
20 |
2.90 |
50 |
1700 |
|
MDZ-5 |
60 |
35 |
1.8 |
18 |
2.95 |
50 |
1700 |
|
MDZ70 |
70 |
20 |
SiO26 |
18 |
2.95 |
50 |
1680 |
|
MDZ75 |
75 |
15 |
SiO25 |
18 |
2.95 |
50 |
1680 |
Competitive Advantage: