Clay brick of refractory brick for blast furnace

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2 m.t
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5000 m.t/month

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Brief discription for Clay brick of refractory brick for blast furnace

CMAX Clay brick of refractory brick for blast furnace are classified according to alumina content ranging from 48% to 90%.

CMAX Clay brick of refractory brick for blast furnace are commonly used in blast furnace, hot blast furnace, the roof of electric furnace, teeming ladle, rotary kiln,regenerator, etc.

Brief features for Clay brick of refractory brick for blast furnace

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 Clay brick of refractory brick for blast furnace

















Apparent Porosity,%








C.C.S, Mpa 








Refractories Under   Load (0.2Mpa),℃ 








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 , %










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:Which payment terms can you accept?

A:T/T,L/C are available for us.

Q5:After an order is confirmed,when to deliver?

A:15-25days after deposit.

 Q6:Can you offers samples?

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

Q7: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.

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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:Why limit sintering brick first and develop new wall material?
The sintering brick is not fit for the national energy saving policy. Indeed, to do a good job of energy saving and emission reduction, and protect our living environment, the relevant departments under the state issued a ban on the construction of the construction industry, prohibit the use of ordinary clay sintering.
Q:What are 85 bricks, 95 bricks and standard bricks? What are the specifications?
95 bricks are standard bricks.Specifications:95 bricks: 240*115*53mm85 bricks: 216*105*43mmArtificial brick, small bulk building, divided into brick (clay brick) and non sintered brick (sand lime brick, fly ash brick etc.), commonly known as brick.
Q:What is the difference between clay brick, glazed tile and brick?
Glazed tiles are bricks that have been burnt and glazed on the surface of bricks. Is the surface of glaze firing together, the main body consists of clay and clay two, back out of the red clay, abaxially grayish white porcelain clay fire. Glazed tile surface can do a variety of patterns and patterns, than polished brick color and pattern rich, because the surface is glaze, so wear resistance is better than polished brick.
Q:Characteristics of refractory bricks
The ability to resist rapid changing temperature and not to be destroyed is 6, it refers to the change of the volume expansion and contraction in the same temperature change. the porosity is 3, this parameter is very important in its own properties, anti bending strength, but as a manufacturer, you must strictly control the explicit hole through the material unit area of heat flow rate: The main composition determines the quality and characteristics of the refractory material 2: Unit volume weight, good impact resistance, abrasion resistance show good compactness: Also called high temperature load, it begins to deformation temperature, the volume density, we define such a linear change rate is 0 physical and chemical properties is 1: 5, but the heat conductivity coefficient may be large, load softening temperature, porosity: The ability to withstand shear stress is 8, compressive strength: Did not make specific requirements about thermal shock resistant performance: Resistance to anti penetration erosion under high temperature and not destroyed 7: Don't have to explain it, linear change rate, thermal conductivity, slag resistance: Also known as linear change on reheating or the residual line change, if the expansion and contraction of each time is the same: Under the condition of unit temperature gradient, the service life is 4, chemical composition.
Q:What are the differences between sintered bricks and refractory bricks?
Sintered bricks belong to a type of refractory bricks.
Q:What is the heating temperature in the test method of thermal shock resistance of refractory bricks
1, quenching (air cooling or water cooling), after the completion of the specified number of times. 2, maintain 20min, introduce the following types briefly. 3, repeated testing and record the times of the material produces macro cracks. The thermal shock resistance is shown by the times of thermal cycle of damaging half of the heated end face, quenching(air cooling or water cooling ) there are many expressions and testing methods of the thermal shock resistance, and then dry. Put the heating end surface of standard size brick((200~230mm) X (100~150 m K (50~100mm) claw)into the preheated to 1100 DEG C 50mm in furnace, quenching (air or water), then quenching in room temperature water for 3min, measured the maximum temperature of sample surface produces cracks. After the temperature of the material rises to a predetermined temperature, the ratio of residual anti-bending strength and anti-bending strength at room temperature before heat shock, after the material rises to various temperatures, measure its strength retention rate.
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:How to test the various components of the refractory brick?
It is difficult to distinguish if it is mixed together, fully smashing and mixing. Then assay. Or testing after smashing and separating.
Q:Are buildings allowed to use red bricks?
Clay brick is forbidden to be used by the state, whether red or green. Red and cyan are just the difference between making techniques. Now also produces appearance and clay sintering, red brick like silicate sintered brick can be used.

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