| Magnesia Refractory Bricks |
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This product adopts dense sintered magnesia as main raw material, possesses high refractoriness and hard corrosion resistance, and can be widely used for glass, lime, non-ferrous, and other industry’s furnaces or kilns. |
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| Properties |
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INDEX |
ITEMS |
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MZ-97A |
MZ-97B |
MZ-95A |
MZ-95B |
MZ-93 |
MZ-91 |
MZ-89 |
MZ-87 |
ω (MgO)/% ≥ |
97 |
96.5 |
95 |
94.5 |
93 |
91 |
89 |
87 |
ω (SiO 2 )/% ≤ |
1.0 |
2.0 |
2.0 |
2.0 |
3.5 |
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__ |
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ω (CaO)/% ≤ |
__ |
__ |
2.0 |
2.0 |
2.0 |
3.0 |
3.0 |
3.0 |
| App. Porosity, % = ≤ |
16 |
18 |
16 |
18 |
18 |
18 |
20 |
20 |
| C.C. Strength, MPa ≥ |
60 |
60 |
60 |
60 |
50 |
50 |
0.2MPa Refractoriness under Load, ℃ ≥ |
1700 |
1650 |
1620 |
1560 |
1550 |
1540 |
The Linear Change after Reheating, (1650 ℃ ×2h) % |
0~-0.2 |
0~-0.3 |
0~-0.4 |
0~-0.5 |
0~-0.6 |
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