Fireclay Brick with Al2O3 Content around 34%

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CMAX fireclay bricks are made from clinker clay by mixing, forming, drying, sintering and machining. The alumina content ranges from 36% to 48%. Fireclay bricks feature stable mechanical strength and good thermal shock resistance, withstanding high temperature up to 1750°C.



Petrochemical process heater
Heat treatment furnace
Tunnel kiln
Trolley furnace
Ceramic firing kiln
Cement rotary kiln
Glass melting tank
Blast furnace
Hot-blast furnace
Refractory heat face of furnace


Low thermal conductivity        High refractoriness  

High mechanical strength       Excellent thermal shock resistance

High Strength                           Lower shrinkage,
Good Alkalis Resistant           Good resistant to Thermal Shock













Bulk Density, g/cm3






Apparent Porosity, %






C.C.S, Mpa






Refractories Under Load (0.2Mpa),℃






Reheating Linear Change, %

1400x2h              0.1-0.4

1430x2h              0-0.1

1450x2h              0-0.2

1350x2h       0-0.3

1450x2h              -0.1+0.05

Al2O3 Content , %






Fireclay Brick with Al2O3 Content around 34%

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Q:What materials mix mortar to build walls (with bricks)? The more burned the harder
Refractory mortar
Q:Small size black brick can replace refractory bricks for wood burning fireplace?
No, black brick has no thermal insulation effect.
Q:What are the reasons for the production of waste in the formation of fireclay bricks?
The reasons for the production of waste when form fireclay bricks: Tile size is unqualified. This is due to the mold installation is not firm, the template transfers when molding; if the amount of material being added fluctuates largely, also can cause the body size changing. Ji Yangon Chi lie charge generation layer containing decyl poke pull and crack. The molding operation does not according to the principle of the light first and the thick later. At the initial pressure, the air doesn't releases, which causes the elastic aftereffect by repressing. Too much mud water, uneven mixture and inequal template all can make the body produce layer crack or crack. Twist. The template is used for too long, the template deforms, so raw brick deforms, the amount of water is too large, brick naturally deforms, causing the body twist. Miss edge and angle. Because of poor plasticity of mud, particles segregate, feeding back corner is not real, the body will appear side missing and angle modulation phenomenon. Bias voltage. Due to the deflection of the die head or the uneveness of mold bottom. Loose。 Due to insufficient feeding amount or insufficient pressure times.
Q:several refractory brick of rotary kiln several is damaged, how many refractory bricks should be replaced?
The life of refractory bricks in rotary kiln is generally short.
Q:What are needed to make refractory bricks with micro silica?
Micro silicon powder is used in mortar and concrete, the ore-smelting electric furnace produces a large amount of strongly volatile gases SiO2 and Si, bridges, seaports. It is ferroalloy. When smelt ferrosilicon and industrial silicon (metallic cilicon), micro silicon power is also called silica fume or condensed silica fume, dam, gas emissions and air condensate and deposit by rapid oxidation, water conservancy, airport runway, tunnel, high-rise buildings, subway, railway, highway and culvert. Application fields of silicon power are cement concrete pavement and mine roadway anchor reinforcement and etc.
Q:can diatomite brick be used as thermal insulation refractory brick?
yes, it has good thermal insulation the raw material is cheap, diatomite brick is a kind of thermal insulation refractory brick with good performance.
Q:The boiler is divided into several categories according to the structure, what characteristics does each have?
package boiler and assemble boiler are divided into vertical boiler and horizontal boiler. Vertical boiler. Assembled boiler adapts to boiler more than 6 tons, the package adapts to boiler less than 10 tons.
Q:Is the diameter of 2.5 meters of the calcium aluminate powder rotary kiln referred to the inner diameter of the refractory brick?
Perlite refractory brick is classified to outer diameter and inner diameter, pay attention to the accuracy of the size when measures, after drying, contains refractory. Our clay refractory bricks use 50% soft clay and 50% flint clay clinker, sodium to blend together according to a certain granularity requirements, after molding, etc., fireclay brick, 3373 in fact, there are many kinds of refractory bricks.
Q:What kind of coal should be used to burn refractory brick? and how many calories smoke is suitable?
Coal briquette's effect is also good
Q:th choose of different refractory bricks in the rotary kiln
According to the characteristics of each belt, magnesium chromium brick. Take the most kiln foe example, the configuration of kiln refractory is not the same, the burning of the product is not the same. there are many kinds of rotary kiln. magnesia bricks are generally used in high temperature zone, anti-stripping alumina brick,silmo brick are used in temperate zone, clay brick is mainly used in low temperature zone. generally inlet and the outlet use corundum mullite, wear-resistant castable, spinel brick,etc. select brick of proper performance, but also take into account the economy

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