75% -80% AL2O3 High Alumina Refractory Brick for Boiler/Klin Lining

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3000 pc
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50000 pc/month

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Product Description:

75% -80% AL2O3 High Alumina Refractory Brick for Boiler/Klin Lining


Production description 

High alumina refractory brick contain Al2O3 more than 60%, which is made of high grade bauxite through high temperature calcinations. Its refractories is usually above 1750 °C. The main mineral components are corundum and mullite phases. It is a kind of neutral refractory material so that it enjoys excellent resistance to acid and alkali corrosion. According to Al2O3 content,it can be divided into three degrees:The Al2O3 content is more than 75%.The Al2O3 content range from 60% to 75%.The Al2O3 content range from 48% to 60%.



75% -80% AL2O3 High Alumina Refractory Brick for Boiler/Klin Lining



 products

\index

 code

 Al2O3

 Fe2O3

 Bulk Density≥

 Apparent Porosity  ≤

Cold crushing strength ≥ 

 Refractoriness under load ≥(0.2Mpa)

 Unit


%     

 

 g/cm3

 %

 MPa

 

°C

High alumina brick  

LZ-48

48

  2.0 


 22

 35

1420

LZ-55

 55

 2.0


 22

 40

 1450

LZ-65

 65

 2.0


 23

 45

1500

LZ-75 

 75

 2.0


 23

 50

1520

LZ-80 

 80

 1.8


 22

 55

 1530

phosphate combines high alumina bricks

P

 75

 2.5

2.65


 75

 1350

PA

 77

 2.5

 2.70


 75

 1300

spalling resistance high alumina bricks.

 

KSL-65

 65

 1.6

 2.45

24

 40

1500

KBL-75

 75

 1.6

 2.6

 24 

 45

 1520

 

75% -80% AL2O3 High Alumina Refractory Brick for Boiler/Klin Lining

75% -80% AL2O3 High Alumina Refractory Brick for Boiler/Klin Lining

Features:

1. Low thermal conductivity, good thermal insulation performance.

2. Long service life, easy operation, could be shaped freely

3. Product specification: standard form, normal standard, shaped and special shaped bricks.

4. Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the most widely used.



Application:

 

Refracory brick plant can be in direct contact with the flame,this insulating brick can be used as linings or as thermal preservation layers in various industrial furnaces and kilns in metallurgical industry, ceramic industry, chemical industry, machinery industry.

 

such as blast furnace, hot blast stoves ,electric arc furnace, cement kiln,melting furnace, ignition furnace, flue, refining equipment, heating equipment and piping, regeneration device, gas furnace, soaking furnace, annealing furnace, heat reaction chamber and other thermal industrial equipment.

75% -80% AL2O3 High Alumina Refractory Brick for Boiler/Klin Lining




FAQ



1. Do you provide samples?


   Yes, samples are free. Guarantee samples quality same as mass production quality.


2. What's the MOQ of trial order?

 

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

 

3. Can we visit your company?

 

  Of course,welcome at any time,seeing is believing.

 

4. Do you accept OEM?

 

   Yes, we can do OEM.

 

5. What are the payment terms?

 

   Usually T/T, D/A, D/P, L/C, Western Union ,others could be discussed .

 

6. How long is delivery time?

The delivery time will be determined according to the quantity of the order.

 

7. How are your products’ quality?

 

More than 20 years of production experience. The products will be strictly inspected before shipment, so the quality could be guaranteed.


8. How to slove the quality problems?

 

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

 

9. What is the service life of your bricks?

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

 

10. How about your company's certification?

 

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

 

11.  How about your price?


Quality will be guaranteed. Competitive prices based on same quality.



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Q:What are the high aluminum bricks made of?
We specialize in the production of various LeiBao refractory refractory material, such as corundum, zirconia products, alumina hollow ball products, mullite products and so on.
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
Q:The cloth blowing is not uniform on the lime kiln refractory brick is damaged it
Lining 1 yuan to prevent direct damage to the Sindh kiln high temperature flame or air, to protect the kiln carcass; 2, to prevent harmful substances (CO, SO2) erosion of the kiln body; 3, to prevent corrosion, material flow on the kiln body; 4, reduce the kiln temperature, kiln body to prevent oxidation 5, has the function of corrosion; thermal insulation; 6, to improve the coating performance.
Q:What is the standard size of high alumina brick?
The country has laid down a number of criteria for the use of refractory bricks to unify market demand.
Q:What kind of material is the general metal case?
We usually discuss the electromagnetic radiation of computer enclosures, mainly RF radiation, followed by MF leakage.Switch signal of RF radiation from computer high-speed leakage, such as one of the energy radiation is CPU frequency, graphics, display output line, keyboard, is the source of the operating characteristics of the computer leaked out, is also the main part of computer security.For the absorption of radio frequency radiation, the best is the use of copper materials, the use of other metals can also, thickness enough on the line.The most vulgar description is that people can sit in the case is a good thing.
Q:What is spalling resistant high alumina brick?
Using bauxite as main raw materials, the introduction of a small amount of ZrO2 (ZrO2 is due to phase transition, between monoclinic and tetragonal type can improve the thermal stability of the products), adding a certain amount of binder and additives, the particle size distribution control mud, forming and sintering of refractory products produced, called anti stripping high alumina brick.
Q:What is the standard classification of high alumina bricks or high alumina bricks?
High alumina brick is a kind of refractory material in refractory brick products. It is made of refractory clay or other refractory material. It belongs to the product of Si Al System
Q:How much is one ton / ton of high alumina refractory brick?
The price of high alumina refractory bricks is not equal, according to the quality index of GB2988-2012
Q:How to make refractory bricks and boiler wall adhesion more firm?
If the condition, the user heat-resistant steel welding grip nails, expansion joints can not be too big.. Also to use high temperature aluminum brick, high temperature resistance, but also to extend its use cycle.
Q:How are the grades of high alumina bricks differentiated?
If the content of Al2O3 is higher than 90%, it is called corundum brick. Because of the different resources, the standards of different countries are not exactly the sameFor example, European countries limit the content of Al2O3 for high alumina refractory materials at 42%.

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