Magnesite checker brick for glass kiln regenerator
- Courier
- In detail
- BrandHCR
- Country of manufactureChina
- Material typeMagnesian
- RefractorinessRefractory (over 1530 ° C)
Magnesite brick, the content of magnesium oxide is more than 90% , periclaseas the main crystal phase of basical refractory brick. With high temperature refractorness, high begining temperature of softing under loading, good alkali resistance of slag. Mainly used for open hearth furnace, bottom and wall of the EAF, conventer, high temperature tunnel kiln, cement kiln, lime kiln, glass furnace regenerator.
Fused Magnesite brick
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Item |
Behaviors |
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Fused Magnesia Brick |
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FMZ - 95 |
FMZ - 96 |
FMZ - 97 |
FMZ - 98 |
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Chemical composition |
MgO ％ |
≥94.5 |
≥95.5 |
≥96.5 |
≥97.5 |
|
SiO2 ％ |
≤1.5 |
≤1.2 |
≤1.0 |
≤0.5 |
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|
CaO ％ |
≤1.5 |
≤1.2 |
≤1.2 |
≤0.6 |
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|
Apparent Porosity ％ |
≤18 |
≤18 |
≤17 |
≤15 |
|
|
Cold Crushing Strength Mpa |
≥55 |
≥60 |
≥60 |
≥60 |
|
|
0.2Mpa Refractoriness Under Load T0.6 |
≥1650 |
≥1680 |
≥1700 |
≥1700 |
|
|
Bulk Density g/cm3 |
≥2.95 |
≥3.0 |
≥3.05 |
≥3.05 |
|
|
Thermal Stability 950℃ Wind cycles |
≥15 |
≥20 |
≥20 |
≥20 |
|
General Magnesite brick
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Item |
MZ - 91 |
MZ - 92 |
MZ - 93 |
MZ - 94 |
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Chemical composition % |
MgO ≥ |
91 |
92 |
93 |
94.5 |
|
SiO2 ≤ |
4.0 |
3.5 |
2.5 |
2.0 |
|
|
Fe2O3 ≤ |
1.3 |
- |
- |
1.2 |
|
|
CaO ≤ |
2.5 |
2.5 |
2.0 |
1.8 |
|
|
Apparent Porosity％ ≤ |
18 |
18 |
18 |
18 |
|
|
Bulk Density g/cm3 ≥ |
2.86 |
2.90 |
2.95 |
2.92 |
|
|
Cold Crushing Strength Mpa ≥ |
60 |
60 |
50 |
60 |
|
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0.2Mpa Refractoriness Under Load T0.6 ℃ |
≥1570 |
≥1560 |
≥1620 |
≥1650 |
|
|
Permanent Linear Change On Reheating（% ）1500℃X2h |
0～ + 0.4 |
0～ + 0.4 |
0～ + 0.4 |
0～ + 0.4 |
|
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Thermal Shock Resistances 100℃ water cycles |
≥18 |
≥18 |
≥18 |
≥18 |
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