Refractory Brick /Clay Brick used in Furnace Liner Refractory Fire Clay Brick

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Refractory Brick /Clay Brick used in Furnace Liner Refractory Fire Clay Brick

1. Low thermal conductivity 
2. Long service life, easy operation 
4.the most widely used

Refractory Brick /Clay Brick used in Furnace Liner Refractory Fire Clay Brick








Al2O3  %,≥






Cold Crushing Strength,  MPa  ≥






Apparent Porosity,  %   ≤






Refractoriness Under Load, °C ≥






Linear Change on Reheating, [1500°C×2h]%







Refractoriness, °C ≥







Refractory Brick /Clay Brick used in Furnace Liner Refractory Fire Clay Brick

Refractory Brick /Clay Brick used in Furnace Liner Refractory Fire Clay Brick


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.



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.

Refractory Brick /Clay Brick used in Furnace Liner Refractory Fire Clay Brick


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 is the price of the first grade high alumina brick?
Many factories in Xinmi have high alumina bricks, but they must choose a regular factory. Kuwait refractory level high aluminum brick price at around 1600, the quality of double stable supply
Q:What are the alloy wear resistance materials?
Alloy wear-resistant materials from different manufacturers different components in Beijing Naimo company as an example, the following alloy wear resistant material:1: Ni Cr alloy wear-resistant material2: chrome carbide wear-resistant material3: high manganese alloy wear-resistant material4: tungsten carbide alloy wear-resistant material5: nickel tungsten alloy wear-resistant material
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 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:Can high alumina brick resist carburizing?
The key is to look at the content of Fe3O2 metal oxides (so-called anti carburizing brick generally refers to the content of Fe3O2 less than 1% clay brick and Gao Lvzhuan) just a photo shoot, out for everyone to see, high alumina brick common in reductive atmosphere has been chalking up.
Q:Density of high alumina bricks
Alumina content of 48% or more, mainly from mullite and glass phase or corundum composition of lightweight refractory. The volume density is 0.4 ~ 1.35g/cm3. The porosity is 66% ~ 73%, and the compressive strength is 1 ~ 8MPa. Better thermal shock resistance.
Q:What is the density of a super high alumina brick and what is the price?
Super high alumina brick, alumina content of 80% bricks, bulk density of 2.7g/cm3 or more, the factory price of about 1900 yuan
Q:What is fireproof concrete?
According to the different properties of fire resisting and heat resisting concrete, they can be divided into silicate, aluminate, phosphate, sulfate, chloride, sol and organic substance, fireproof and heat-resisting concrete, etc.. The following are mainly used silicate, aluminate, phosphate, sulfate fire, heat-resistant concrete.
Q:Difference between low creep high alumina brick and ordinary high alumina brick
Low creep and high alumina brick is based on the theory of "three stones". The combination of bauxite and clay as the main raw material, adding kyanite, andalusite and sillimanite, commonly known as the "three stone" control, physicochemical index and size composition, using alumina mullite corundum + + raw materials such as technical scheme. In the production process, first to detect and control indexes of raw materials, crushing, grinding, sieving process, according to the distribution ratio of ingredients, the size and moisture control of mud mixing after to meet the requirements of forming and molding machine, the use of qualified abrasives, blow molding control number, size and flash at the same time, the detection efficiency of semi-finished products and meet the requirements. Production process: high temperature calcination of high-grade alumina, adding small creep rate of high temperature materials, by high-pressure molding and high temperature firing. It has the characteristics of high strength, low creep rate and high use temperature. Widely used in high temperature furnace, hot air furnace hearth lining, brick 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

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