Refractory Brick Fireclay Brick for Stove Price

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Tianjin
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3000 pc
Supply Capability:
50000 pc/month

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Product Description:

Refractory Brick Fireclay Brick for Stove Price

Product Description

Refractory brick fireclay brick

Refractory fire brick is made of high grade bauxite through high temperature calcinations.

Characteristics

1 Excellent thermal stability                        

2 High refractoriness under load                       

3 Chemical stability and anti-corrision                        

4 Small high temperature creep rate                        

5 Excellent thermal shock resistance

Typical Application

1 Building materials for blast furnace                      

2 Building materials for hot-blast stove                      

3 Building materials for coke oven                      

4 Building materials for steel making furnace

5 Kiln car building                      

6 For ladle 

Refractory Brick Fireclay Brick for Stove Price

Refractory Brick Fireclay Brick for Stove Price


Items

Index XX

Machine pressed

Chequers & handmade

Al2O3 %

≥42

≥42

Fe2O3%

≤2.5

≤2.5

Alkalies %

≤1.0

≤1.0

Bulk density(g/cm3)

≥2.15

≥2.10

Apparent porosity

20

23

Cold crushing strength(Mpa)

≥35

≥25

Permanent linear change 1400/4hr

-0.2--+0.2

-0.2--+0.2

Refractoriness under load 0.2Mpa

0.5%()         

2.0%()         

5.0%()         

 

 

1300

1390

1450

 

 

1300

1390

1450

Creep rate (%) 1250/20—50h / 0.2N/mm2

≤0.2

≤0.2

 

 

Items

Index X

Machine pressed

Handmade

Al2O3 %

≥39

≥39

Fe2O3%

≤3.5

≤3.5

Alkalies %

≤1.5

≤1.5

Bulk density(g/cm3)

≥2.100

≥2.050

Apparent porosity

≤22

≤24

Cold crushing strength(Mpa)

≥35

≥25

Permanent linear change 1400/4hr

-0.2--+0.2

-0.2--+0.2

Refractoriness under load 0.2Mpa

0.5%()         

2.0%()         

5.0%()         

 

 

1260

1360

1430

 

 

1260

1360

1430

Creep rate (%) 1250/20—50h / 0.2N/mm2

≤0.2

≤0.2

Refractory Brick Fireclay Brick for Stove Price

Refractory Brick Fireclay Brick for Stove Price

Production & Quality

1.Production Process

Crushing→Mixing→Shaping→Drying→Firing→Inspection→Packing shipment

2.Quality Control

a.According to the chemical content,raw materials are classified into different levels to ensure quality of brick first.

b.During the production,every brick will be weighed twice strictly to reduce the error of weight .

c.Before delivery, the inspectors will inspect the size,appearance,physical and chemical properties of brick again in factory.




F&A

Q1.Are you a manufacture or trader?

A:To be honest we are a trader,but we have stable cooperation factories.And we can supply good pre-sale service, after-sales service.

Q2.Can we visit your company?

A:Sure,welcome at any time,seeing is believing.

Q3. Do you provide samples?

Yes, samples are available.

Q4. Do you accept OEM?

Yes, we can do OEM.

Q5.What's the MOQ of trial order?

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

Q6.What are the payment terms?

Usually T/T,but L/C,Western Union etc are available for us.

Q7. How long is delivery time?

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

Q8.How are your products’ quality?

The products will be strictly inspected before shipment, so the quality could be guaranteed.

Q9.How to slove the quality problems?

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

Q10.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.

Q11.How about your company's certification?

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





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Q:What are the reasons for the spalling of refractory bricks in the production of lime kiln?
In the course of the production of lime kiln, the local block of refractory brick is a very dangerous signal. It is suggested that you stop the kiln to prevent the collapse of a large area. Lime kiln is the main equipment for the production of limestone kiln and rotary kiln is two, with the growth of calcium carbide lime kiln industry, iron and steel industry, the construction industry to the amount of limestone has become the main production equipment, and refractory bricks became the heart of lime kiln.
Q:What does refractory consist of
According to the chemical characteristics of refractory raw materials can be divided into acidic refractory materials, such as silica, zircon etc.; neutral refractory raw material, such as corundum, bauxite, mullite (acidic) (acidic), Ge (alkaline) iron and graphite; alkaline refractory materials, such as magnesite, dolomite, magnesium sand calcium sand.
Q:What is the density of a super high alumina brick and what is the price?
Of course, the transaction price, please choose refractory brick manufacturer is better.
Q:How to reduce porosity of high alumina brick
In order to reduce the porosity of high alumina brick, the corresponding measures should be taken from the selection of raw materials, batching, mixing, molding and firing.
Q:What are the requirements for refractory materials in heat treatment furnace?
The structural strength of high temperature is evaluated by loading softening point. Load softening point is that under certain pressure (2 kg/ cm 2 = 0.2MPa) under the condition of heating rate to heating, measured the sample deformation (deformation for the original sample 0.6%) temperature. This temperature is called the softening point of the refractory. Sample size is Phi 36 x 50mm.
Q:What is the standard classification of high alumina bricks or high alumina bricks?
High alumina brick is one of refractory materials. The main component of this kind of refractory brick is AL2O3. High alumina brick refractory clay brick and brick than refractoriness to high. It belongs to high refractory. High alumina brick Al2O3 more, close to the neutral refractory material, can resist acid slag and alkaline slag erosion, because it contains SiO2, so the ability of alkaline slag resistance than acid resistant slag ability is weaker.According to the number of AL2O3 content is divided into, 55,65, 75,80 and so on several grades.
Q:How to distinguish the good or bad of the high aluminum brick?
Weigh the weight of the next block. According to the weight standard, a high alumina brick is 3.9 kg in weight, two in high alumina brick, three in high aluminium brick and 4.5 kg in 4.2. The same grade, the same type of high alumina brick, if the weight of a single brick to this standard, but for high quality high alumina brick, otherwise, can not reach such a weight, it shows good quality. If there is a crack, a large piece of broken angle, four sides of inequality, it is for substandard products.
Q:How to make refractory bricks and boiler wall adhesion more firm?
Suggest that you use fire brick to increase the length of brick or pull the amount of turn, and use high temperature mortar masonry
Q:What is the difference between high alumina brick and clay brick?
Light clay brick, refractory material is a kind of high porosity, low density, low thermal conductivity of refractory material, refractory materials called lightweight refractories, it includes insulating refractory products, refractory fiber and refractory fiber products. Heat insulation refractory material is characterized by high porosity, general 40%-85%, low volume density, lower than 1.5g/cm3, low thermal conductivity, generally lower than 1.0W (m.K). The utility model has the function of heat insulation of an industrial furnace, and can reduce the heat dissipation loss of the kiln, save energy, and can reduce the quality of the thermal engineering equipment. The mechanical strength, wear resistance and slag resistance of insulating refractory material are poor, and it is not suitable for the load-bearing structure of kiln and direct contact with slag, burden, molten metal and other parts.
Q:How high can aluminum bricks expand at 80O degrees of heat?
The expansion of high alumina brick is not only related to temperature, but also related to its material composition. The refractory temperature of high alumina brick is above 1770 centigrade. The temperature of 800 DEG C has little influence on the expansion of high alumina brick.

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