Zhengzhou Xinyu Import Export Trade Co., Ltd.
Zhengzhou Xinyu Import Export Trade Co., Ltd. Provide a strong guarantee for industrial kilns！
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Magnesium brick for electric furnace/Good Thermal Shock Stability high softening temperature under load
Product description:
Burnt magnesia brick, usually referred to as burnt magnesia brick, magnesia brick, is the largest production, the most widely used alkaline brick.China magnesite is of good quality and abundant reserves, and magnesite brick is of good quality and cheap price.
Category of Refractory Brick/Fire Brick:
MZ-89
MZ-91
MZ-93
Features:
Accordi The fire resistance of magnesia brick reaches above 2000℃, and the initial temperature of softening under load is Between 1520℃ and 1600℃, while high purity magnesia brick can reach 1800℃.Magnesia brick is widely used in the permanent layer of steel industry converter, electric furnace, iron water tank, glass kiln, etc.
Physical and chemical indicators:
| Brand | XY-MZ 93 | XY-MZ 91 | XY-MZ 89 |
| MgO,≥ | 93 | 91 | 89 |
| SiO2,≤ | 3.5 | - | - |
| CaO,≤ | 2.0 | 3.0 | 3.0 |
| Apparent porosity,≤ | 18 | 18 | 20 |
| Bulk density/g﹒cm-3,≥ | 2.95 | 2.90 | 2.85 |
| Crushing strength/ MPa,≥ | 60 | 60 | 50 |
| Refractoriness under load,0.2MPa,℃(≥) | 1620 | 1560 | 1550 |
| Permanent linear change/% | -0.4~0 1650℃×2h | -0.5~0 1650℃×2h | -0.6~0 1650℃×2h |
Production and inspection :
Packaging and transportation: