Fireclay BrickZGN42 for Blast Furnace Hot Blast Furnace

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General Information of Fire Clay Brick

CMAX fireclay bricks are made from clinker clay. The alumina content ranges from 36% to 48%.


Feature of Fire Clay Brick
Low thermal conductivity       
High refractoriness  
High mechanical strength      
Excellent thermal shock resistance


Application of Fire Clay Brick
CMAX fireclay bricks are commonly applied in blast furnace, hot blast furnace, teeming ladle, glass furnace, etc.


Images of Fire Clay Brick

Fireclay BrickZGN42 for Blast Furnace Hot Blast Furnace

Fireclay BrickZGN42 for Blast Furnace Hot Blast Furnace


Technical Data of Fire Clay Brick

Refractoriness (℃) 1750
Bulk Density (g/cm3) ≥2.3
Apparent Porosity (%) ≤15
Cold Crushing Strength (Mpa) ≥58
Refractoriness Under Load (T0.6) (℃) 1450
Reheating Linear Change (%) 1450℃×2h
Chemical Composition (%)
Al2O3 42


FAQ of Fire Clay Brick

  • Who We Are?

CNBM is a Fortune 500 and a governmental owned National Building Material company in Beijing, China.


  • What We Can Do?

We can supply ALL KINDS OF REFRACTORIES and CERAMIC FIBER PRODUCTS in high quality and competitive price.


  • Who Our Customers Are





  • Can we visit your factory?

 Sure, we warmly welcome you to visit our factory any time. Seeing is believing. 


  • After an order is placed, when you will deliver?



  • Does your company accept customization?

 we have a strong technical force. Our production methods are unique in that in allows us to be responsive to the needs and specification of our customers.  We use a batch method of production, so each technician on the line is responsible for a specific area of expertise. at any point in our production, we can make changes and incorporate the feedback from our clients. We accept OEM service.


  • How is your products quality?

We specialize in fire brick ,our products are superior in quality to any other brand available on the market. These fire brick are gaining popularity because of their fine quality, competitive prices, and our honest dealings.


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Q:How to make the adhesion between refractory brick and the inner wall of the boiler more firm?
The hook structure, or masonry concrete beams.
Q:can Methanol burn refractory brick?
The upper part of the radiation chamber of the methanol oven is made of ceramic fiber, and the lower part is generally used refractory brick.
Q:is refractory brick used around the mechanism flue?
Q:What type of refractory brick won't deform or crackbe for a long time in the temprature of about 1600 degrees?
1. , mullite poly light ball brick type, andalusite brick type: MJ-1600 MJ-1700 the temperature is higher than 1600 C. 3, the refractory bricks that won't deform or crack in the 1600 degrees Celsius for a long time includs the following several commonly used bricks: GMZ-80 GMZ-75 the temperature is higher than 1650 DEG C, 2, corundum mullite brick type
Q:What are required for high temperature refractory bricks?
High temperature resistance, high pressure resistance
Q:Can refractory bricks be used to build a house?
Refractory brick can be used to build houses, but you can not use ordinary cement to build, the cost is 3 times than that of ordinary brick.
Q:How aluminium oxide becomes a entity from the the form of powder (such as a ball, a stone, or a refractory brick)?
Just like the process of making steamed bun from flour. Ball milling ---in the auxiliary material to make the slurry --- suppress the body --- high temperature calcination
Q:does the electric kiln burner need to be sealed?
seal when open the kiln, and observe the temperature, when the temperature reaches a point, you can move the firebrick away, and continue observing the temperature to decide whether to seal it or not, but do not seal it completely, repeat the procudure until reach the sinter point or skill requirement.
Q:1200 degrees inside the furnace, lay a layer of refractory brick, what is the temperature outside?
except refractory brick, refractories include refractory concrete (refractory cement+aggregate), fire-resistant insulating layer (refractory cement+vermiculite powder or refractory cement + diatomaceous earth) and so on.
Q:What kind of material is good to be laid on the kiln car, refractory brick?
Use blankets to suspend ceiling, and modules for wall

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