Magnesite Alumina Spinel Brick for Steel Ladle Bottom
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magnesite carbon brick
MgO :73%Min.
F.C :14%
B.D :2.95-3.0g/cm3
A.P :5%
C.C.S :40MPA
This kind of productions is designed for different kinds of kilns. It adopts high degree of purity and high density
magnesia and high degree of purified graphite.
Application of magnesiate carbon brick
It has high temperature and high slag resistance,which can be used in converter.ladle,electric furnace etc.
brand | specification | size | ||||||
MgO | SiO2 | CaO | Fe2O3 | Al2O3 | LgL | B·D≥(g/cm3) | ||
FM–99 | 99.0 | 0.15 | 0.40 | 0.25 | 0.10 | 0.10 | 3.50 | 0-1mm 1-3mm 3-5mm 0-30mm 200mesh 325mesh |
FM–98.5 | 98.5 | 0.30 | 0.70 | 0.30 | 0.15 | 0.10 | 3.50 | |
FM–98 | 98.0 | 0.35 | 1.00 | 0.40 | 0.20 | 0.10 | 3.50 | |
FM–97.8 | 97.8 | 0.40 | 1.00 | 0.50 | 0.20 | 0.10 | 3.50 | |
FM–97.5 | 97.5 | 0.50 | 1.00 | 0.55 | 0.20 | 0.15 | 3.50 | |
FM–97 | 97.0 | 0.60 | 1.20 | 0.70 | 0.20 | 0.20 | 3.50 | |
- Q: What are the uses of magnesia spinel brick in the industry?
- Instead of magnesia chrome brick sand manufacturing magnesia spinel brick used in cement kiln, not only to avoid the chrome pollution, but also has good resistance to spalling;
- Q: Spinel refractory brick air-cooled razheng times
- The components of magnesia alumina spinel refractories can be magnesia alumina spinel, excessive alumina, or magnesium aluminate spinel with excessive amount of Magnesium Oxide.
- Q: Is magnesium spinel harmful to the body? Such as title magnesium spinel, harmful to the body?
- Extremely harmful! Studies have shown that brain tissue has affinity for aluminum, and excessive deposition of aluminum in brain tissue can cause memory loss, mental retardation, slow action and aging.
- Q: Spinel compound brick composite layer pollution layer does not affect the use of theoretical basis for it
- The chemical composition of magnesia spinel brick has an important effect on the performance of. The suitable chemical compositions of spinel are 8%~20%, cao0.5%~1.0%, fe2o30.2%~8%, sio2<0.4%, B2O3 and alkali. The impurity content is less than 0.3%, and the rest is mgo. When the Al2O3 content is less than 8%, less content of spinel crystals, intergranular directly binding to periclase and periclase magnesia brick, showing the shortcomings, namely spalling resistance difference. When the content of Al2O3 is more than 20%, the corrosion resistance of brick decreases. When cao<0.5%, fe2o3<0.2%, spinel mineral crystal is less than 5mm or more hours, almost as crystal direct binding between periclase and periclase, which shows the disadvantages of magnesia brick. With the increase of the content of Cao and Fe2O3, the liquid phase formed by the low melting point of cao-al2o3-fe2o3 system is formed, which makes the spinel crystal grow up and the anti flaking property produced by the spinel crystal can be exploited. But when cao>1%, fe2o3>0.8%, cao-al2o3-fe2o3 system low melting point liquid phase increased spinel crystal size is more than 20mm, because cao-al2o3-fe2o3 system low melting material increased the thermal strength decreased. When the content of SiO2 is more than 0.4% and the content of impurities such as B2O3 and base is more than 0.3%, more low melting substance is produced, and the thermal strength of the brick decreases. The content of Al2O3 in the range of 8%~20%, the microstructure can be observed on spinel mineral evenly distributed in the periclase spinel mineral, the crystal size is about 5~20mm, the better comprehensive performance of brick.
- Q: What are the characteristics of Mg rich spinel and aluminium rich spinel?
- Occurs in the contact metamorphic zone of acid intrusive rocks and dolomite and dolomitic limestone, and is associated with forsterite, diopside and so on. It is also found in peridotite, Kimberley rock, magnesian porphyry and some crystalline schist.
- Q: What is the high-grade magnesia spinel brick?
- Then there was the second generation of magnesia spinel brick, and its features are changed
- Q: What is the structure of magnesium aluminate spinel?
- Mg Al spinel is a six square dense stack of equiaxed crystals
- Q: The difference between aluminium refractory and magnesia refractory
- Aluminum refractory belongs to neutral refractory material, usually refers to silicon aluminum refractory materials, such as: high alumina brick, clay brick, high alumina castable and other products, the production of raw materials is mainly bauxite.
- Q: What is the significance of the synthesis of mg Al spinel? What are the main approaches?
- Because the thermal expansion coefficient of magnesia alumina spinel is small, the thermal shock resistance of refractory products with its bonding phase is relatively improved.
- Q: Characteristics of sintered spinel used in refractory zzjsnc
- For the production of castable for ladle lining steel plate greatly improve the anti erosion ability. It is widely used in steelmaking refractories provides new raw material for the production of high quality synthetic stone pre sintered spinel prepared amorphous and amorphous high purity refractory material
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Magnesite Alumina Spinel Brick for Steel Ladle Bottom
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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