Magnesia Hercynite Composite Bricks High Refractoriness

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China main port
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TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
200 m.t./month

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Magnesia Hercynite Composite Bricks High Refractoriness

Brief discription for high aluminium bricks

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

CMAX Magnesia-Hercynite Composite Bricks are mainly used in burning zone, transitional zone of rotary kiln etc.


Advantage for magnesia hercynite composite bricks
High refractoriness under load
High mechanical strength
Excellent thermal shock resistance
Corrosion resistance

Technical data for magnesia hercynite composite bricks

ITEM

MA-85A

MA-85B

MA-85C

MA-93A

MA-93B

MgO,%  

85

82

80

93

90

Al2O3,%  

8

8

8

5

5

SiO2,%    

1

2

3

1

2

Apparent Porosity,%    

18

18

19

18

18

Bulk Density, g/cm3

2.95

2.9

2.85

2.95

2.9

Cold Crushing Strength, Mpa

50

45

40

45

40

Refractoriness Under Load,

1700

1700

1650

1700

1700

Thermal Shock Resistance< 950-Air Quenching, Cycle,

120

100

100

100

80

Thermal Expansion, 1400, %

1.2

1.2

1.2

1.5

1.5


Images/photographs for magnesia hercynite composite bricks


◆ Packaging for magnesia hercynite composite bricks


◆  Producing Equipment for magnesia hercynite composite bricks

 ◆  Testing Mashines for magnesia hercynite composite bricks


FAQ

Q1:Are you a manufacture or trader?

A:Factory+trade(mainly factories,at the same time,we operates other related products).

Q2:Can we visit your factory?

A:Sure,welcome at any time,seeing is believing.

Q3:What's the MOQ of trial order?

A:No limit,We can offer the best suggestions and solutions according to your condition.

Q4:Which payment terms can you accept?

A:T/T,L/C are available for us.

Q5:After an order is confirmed,when to deliver?

A:15-25days after deposit.

Q6:Is your company accept customization?

A:We have own factory and excellent technical team,and we accept OEM service.

Q7:How about your company's certification?

A:ISO9001 and Test Report,also we could apply other necessary certification.

Q8:How to slove the quality problems?

A:If the products are not confirmed to customer samples or have quality problems,our compay will be responsible to make compensation for it.

Q9:Can you offers samples?

A:Of coures,samples are free but freight paid by the buyers.

Q10:What is the service life of your bricks?

A:The service life of different bricks is unlike.It also depends on your using condition and method.


If you have any enquiry,please don't hesitate to contact us,we will provide our best products and services for you!!

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Q:What is the structure of magnesium aluminate spinel?
Mg Al spinel is a six square dense stack of equiaxed crystals
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: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 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'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.
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: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 primary crystal phase? What is the secondary phase?
The properties, quantities, distribution and bonding state of the main crystalline phases of refractory determine the properties of the products directly. A lot of refractory products, such as mullite brick, corundum brick, magnesia brick, magnesia spinel brick, silicon carbide refractory products, etc., are the main crystalline phase named. What is called a crystalline phase? The second phase and second phase or second phase, refers to the refractory material and the main crystal under high temperature and liquid phase coexist, the number and influence on high temperature properties of materials is the main crystal phase is small second phases. As to the main crystalline phase of periclase magnesia chrome brick, magnesia brick, magnesia brick and magnesia calcium brick respectively containing Cr spinel, spinel, forsterite and calcium silicate two are secondary phase.
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: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;

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