Common Chinese Factory Long Service Life Refractory Brick Direct Bonded Magnesia Brick
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- Supplier: Tangshan Yutong Import And Export Corporation
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Product Overview
Description
common chinese factory long service life direct bonded magnesia chrome refractory brick for high temperature
It’s made from high grade magnesite clinker and chrome oxide. By high pressure shaping and high temperature firing, its characteristic is the high direct-bonding rate, and big crystallite. It has a good thermal spalling resistance. The low–basic neutral nature gives itself a good slag resistance when servicing low–acid feed furnaces. The brick is a realistic lining material for refining furnace, electric furnace, glass melting furnace and cement rotary kiln etc.
Items | Index | |||
| ZHMGe 8 | ZMGe 12 | ZMGe 14 | ZMGe 16 |
MgO, % , min | 80.0 | 74.0 | 71.0 | 67.0 |
Cr2O3, %, min | 8.0 | 12.0 | 14.0 | 16.0 |
SiO2. % max | 1.5 | 1.5 | 1.5 | 1.5 |
Al2O3, % max | 3.0 | 4.0 | 4.0 | 5.0 |
Fe2O3,% max | 5.0 | 6.0 | 7.0 | 8.0 |
CaO, % max | 2.0 | 2.0 | 2.0 | 2.0 |
Apparent Porosity, %, max | 17 | 17 | 17 | 17 |
Cold Crushing Strength, Mpa, min | 65 | 60 | 55 | 50 |
Refractoriness under Load (0.2Mpa),℃ | 1650 | 1700 | 1700 | 1700 |
Bulk Density, g/cm3 | 3.00 | 3.05 | 3.05 | 3.10 |
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