Verified Company
Dashiqiao City Quanshun Flame-Proof Material Co., Ltd.
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Magnesite alumina refractory bricks
With high magnesite clinker and periclase magnesite alumina spinal as raw material,the brick is made under high pressure,and has a very good thermal spalling resistance.it is widely used in high temperature zones in all industrial furnaces and kilns.
| ML-80A | ML-80B | ML-85A | ML-85B | ML | MJ-80 | Magnesite alumina chrome brick |
MgO ≥(%) | 80 | 80 | 85 | 85 | 85-88 | 78 | 84 |
Al2O3 % | 5-10 | 5-10 | 4-8 | 4-8 | 6-8 | 8-13 |
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Al2O3+Cr2O3% |
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| 5-8 |
Cr2O3% |
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| 1-2 |
0.2MPa Initial softening T | 1600 | 1580 | 1650 | 1630 | 1630 | 1600 | 1630 |
Appearent Porosity≤(%) | 18 | 20 | 18 | 19 | 18 | 18 | 17 |
Cold Crushing Strength | 39.2 | 29.4 | 45 | 38 | 40.6 | 40 | 45 |
Thermal Shock Resistance | 3 | 3 | 3 | 3 | 3 | 4(no lower than 1100°C | 4(no lower than 1100°C |
We can also produce according to our customers' requirement.