Magnesite Alumina Spinel Brick (Magnesia-MA Spinel Brick)

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CMAX Magnesia-MA Spinel Bricks are made by using high quality raw materials, optimized size grading, enforced homogenization, high pressure forming and firing with clean fuel.

Refractory bricks

Index Product		AZS-41	AZS-36	AZS-33
ZrO2(%)≥		40	35	32
SiO2 (%)≤		12.5	14	14
Na2O≤		1.2	1.8	1.4
Fe2O3≤		0.15	0.15	0.15
TiO2≤		0.10	0.10	0.10
B.D. (g/cm3) ≥		4.12	3.98	3.84
C.C.S (Mpa) ≥		350	350	350
Linear Thermal Expansion (%)	At 1000°C	0.80	0.80	0.80
Linear Thermal Expansion (%)	At 1500°C	0.80	0.80	0.80
Thermal Conductivity	At 600°C	3.3	3.4	3.2
Thermal Conductivity	At 1500°C	3.5	3.6	3.5
Electrical Resistance	At 1000°C	400	200	240
Electrical Resistance	At 1500°C	90	55	65
Glass Phase Exudation(%)1500°C*16hr		≤2	≤3	≤3

Q:Is magnesium spinel harmful to the body? Such as title magnesium spinel, harmful to the body?: Hospital tests revealed that Alzheimer's patients had more than 5~30 times more aluminum in brain tissue than normal subjects. When the aluminum content in the human body exceeds 5~10 times that of normal people, it can inhibit the absorption of phosphorus by the digestive tract, reduce the level of serum inorganic phosphorus, cause osteomalacia and joint pain. Aluminum chloride and aluminum hydroxide, aluminum alkyl and salt and other drugs, the short term can produce toxic side effects.

Q:Spinel compound brick composite layer pollution layer does not affect the use of theoretical basis for it: One is the development of the manufacturing process of the magnesia magnesia purity can be improved, with low content of magnesia silicate phase has good resistance to spalling, does not require the addition of alumina can also produce good thermal shock stability is of high quality magnesia brick; two foreign chromite resources is abundant, magnesia chrome refractories production has thermal stability good and anti erosion ability.

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: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:Characteristics of sintered spinel used in refractory zzjsnc: Sintered aluminum magnesium spinel has good anti erosion ability, anti abrasion ability of good heat shock stability and its main use: instead of magnesia chrome sand manufacturing aluminum magnesium spinel brick used in cement rotary kiln to avoid the chrome pollution but also has good resistance to spalling

Q:What is the significance of the synthesis of mg Al spinel? What are the main approaches?: The spinel has high hardness, chemical stability, high melting point and good properties, high temperature resistance in various melt erosion is very strong, so the orebody in spinel, improve the high-temperature performance of the product. Although the spinel has the above properties, the natural magnesium aluminum spinel is very few and can not meet the needs. Therefore, the synthetic method is usually used in modern times.

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:What are the characteristics of Mg rich spinel and aluminium rich spinel?: Magnesium spinel is a subspecies of spinel, which is MgAl2O4, also called spinel. An equiaxed crystal having eight crystalline or irregularly granular crystals.

Q:What is the structure of magnesium aluminate spinel?: Mg Al spinel is a six square dense stack of equiaxed crystals

Q:What's the difference between iron spinel and magnesium aluminum spinel?: Such as aluminum spinel, iron spinel, zinc spinel, manganese spinel, chromium spinel, etc.. Due to the inclusion of different elements, different spinel can have different colors, such as magnesium spinel in red, blue, green, brown or colorless between; zinc spinel is dark green; iron spinel black, and so on.

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