Refractory Brick Grey High Refractoriness

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

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Description:

Refractory Brick Grey High Refractoriness


Brief discription for Refractory Brick Grey 

CMAX high alumina refractory bricks are classified according to alumina content ranging from 48% to 90%.

CMAX Refractory Brick Grey are commonly used in blast furnace, hot blast furnace, the roof of electric furnace, teeming ladle, rotary kiln,regenerator, etc.


Brief features for Refractory Brick Grey

Low thermal conductivity   

◆Excellent acid and base slagging resistance

◆High refractoriness

◆Excellent thermal shock resistance  

◆Excellent mechanical strength

◆Good spalling resistance and wear resistance.

◆Good corrosion resistance.

◆High-temperature creep rate is quite low.

◆Good volume stability at high temperature.

◆Low bulk density, low thermal conductivity, good thermal insulation performance.


Technical data for Refractory Brick Grey

ITEM

UAL48

UAL55

UAL65

UAL75

UAL80

UAL85

ALP80

Refractoriness,  

1750

1770

1790

1790

1810

1810

1810

Apparent Porosity,%

22

22

23

23

20

20

18

C.C.S, Mpa 

39

44

49

53

55

60

100

Refractories Under   Load (0.2Mpa),℃ 

1420

1470

1500

1520

1500

1520

1550

Reheating Linear   Change,%

1450x2h              0.1-0.4

1500x2h              0.1-0.4

1500x2h              0.1-0.4

1500x2h         0.1-0.4

1550x2h              -0.5+0.5

1550x2h              -0.5+0.5

1550x2h              -0.5+0.5

Al2O3   Content , %

48

55

65

75

80

85

82


Images/photographs for Refractory Brick Grey


◆ breif images-different shape for different usage

Refractory Brick Grey High Refractoriness

Refractory Brick Grey High Refractoriness

Refractory Brick Grey High Refractoriness


Refractory Brick Grey High Refractoriness

Refractory Brick Grey High Refractoriness

◆ Packaging for Refractory Brick Grey

Refractory Brick Grey High Refractoriness

Refractory Brick Grey High Refractoriness


◆  Producing Equipment for Refractory Brick Grey

Refractory Brick Grey High Refractoriness

 ◆  Testing Mashines for high alumina bricks

Refractory Brick Grey High Refractoriness


WHO WE ARE?

CNBM International (China National Building Materials Group Corporation) 500 Fortune Company.

we are the main supplier for

ALLIED MINERAL PRODUCTS, INC

REFRACTORIES INCORPORATED

SRS SORG REFRACTORY SYSTEMS GMBH,

SUNWARD REFRACTORIES CO., LTD

LILAMA69-1 JOINT STOCK COMPANY  etc.


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:Is your company accept customization?

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

Q5:How about your company's certification?

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

Q6: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.

Q7:Can you offers samples?

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

Q8: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:How high can aluminum bricks expand at 80O degrees of heat?
When an object is heated, the particle moves faster and thus occupies additional space. This phenomenon is called dilation.
Q:What materials are used for roof insulation?
There are two kinds: one is a kind of cotton insulation board, such as rock wool board, aluminum silicate cotton board, but this is not environmental protection, harmful to life, foam board (this fire safety factor minimum), these relatively cheap.
Q:What are the common thermal insulation materials for thermal conductivity?
The single organic insulation material should be the best polyurethane in the field. In accordance with the production process can be divided into on-site foam polyurethane and factory prefabricated rigid foam polyurethane board. The scene is polyurethane foam isocyanate and polyol to cool (polyether or polyester) two components as the main raw materials with additives, the on-site spraying construction with thermal insulation and waterproof function of the rigid foam material.
Q:What are the high aluminum bricks made of?
It's OK to use corundum bricks and alumina hollow ball bricks to build a furnace,
Q:What is the apparent porosity of high alumina brick?
Total porosity is porosity refers to the total volume of sample porosity in the percentage of total volume of samples. Apparent porosity refers to the percentage of the total volume of openings, pores, and total specimens in the sample.
Q:How does the physicochemical index change when the high alumina brick is used at high temperature?
When the high alumina brick is used at high temperature, the physical and chemical indexes and other constants will not change if the temperature is in the physical and chemical indexes and the softening temperature of the load.
Q:What should be used as binder for making high alumina bricks?
Bond for making high alumina brick: soft clay has good plasticity, so the high alumina brick is usually made of soft clay as bond. However, the free Al2O3 free SiO2 and bauxite clinker clay in under 1200 degrees occurred two times of Mullization reaction, generate large volume expansion, silicon porosity, strength reduction. Therefore, the amount of clay powder in the ingredient should be no more than 5%.
Q:Which is faster for heat transfer between corundum bricks or high alumina bricks?
There must be a difference. They vary in color from the amount of aluminum, the weight, the temperature, and the color.
Q:What are the reasons for the decline in the performance of high alumina bricks when we use high alumina refractory bricks?
All the raw materials adding order, mixing time, material and material moisture trapped. 4, the pressure and the volume density of Pei brick and brick Pei size etc..
Q:What is the content of free silica in the refractory bricks of high alumina bricks?
Refractory powders are not rich in free silica in varying degrees

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