Aluminum Silica Refractory Brick for Hot Blast Furnace

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
300 m.t./month

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Product Description:

Aluminum Silica Refractory Brick for Blast Furnace

Place of Origin:

China (Mainland)

Shape:

Brick

Material:

Mullite

SiO2 Content (%):

0

Al2O3 Content (%):

>48

MgO Content (%):

0

CaO Content (%):

0

Refractoriness (Degree):

1770°< Refractoriness< 2000°

CrO Content (%):

0

SiC Content (%):

0

Model Number:

follow as customer's requirement

Brand Name:
Size(mm):

230x114x65/75

Refractoriness(°C):

≥1750-1790

Bulk Density (g/cm3):

2.2-2.3

Apparent porosity(%):

≤22-23

Cold crushing strength (Mpa):

≥39-54

Refractoriness under load(0.2MPa) (°C):

≥1420-1520

Reheating Linear Change:

+0.1~ -0.4






Packaging & Delivery

Packaging Details:on wooden pullet covering by PE membrane or by customer's requirment
Delivery Detail:within 30days after deposit

 

Product Description

 High Alumina Brick/Rrefractory Brick/Fire Brick

High alumina brick refers to fire brick containing Al2O3 more than 48%, which is made of high grade bauxite through high temperature calcinations. High alumina brick is a kind of neutral refractory material so that it enjoys excellent resistance to acid and alkali corrosion. It has characteristic of high refractoriness under load, which decide high alumina brick is a n ideal material for various kinds of industrial furnace. It is widely used in building lining of hot-blast stove, blast furnace, coke oven, rotary kilns of cement and so on.

Product name

China aluminum silica refractory brick

Size and Specifications

230x114x65mm

230x114x75mm

 

Special size brick is also available according to your drawings.

Type

High Alumina Brick

 

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 Use

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 For ladle

6 For construction material in steel industry

Operating Temperature

1770°C

Service

The size, density, chemical composition can be customized.

Port

Qingdao Port

Payment terms

L/C, T/T, D/A, D/P, Western Union, MoneyGram, Cash

Delivery

Within 30 days after receiving deposit

Packing

wooden pallet with shrinkage film, paper protect angle.

Certificate

ISO 9001

 

Physial properties and chemiacal composition

Item

SK38

SK37

SK36

SK35

Al2O3 %

≥75

≥65

≥55

≥48

Fe2O3 %

≤2

≤2

≤2

≤2

Refractoriness °C

≥1790

≥1770

≥1750

≥1420

Apparent porosity %

≤23

≤23

≤22

≤22

Cold crushing strength Mpa

≥53.9

≥49.0

≥44.1

≥39.2

Refractoriness under load(0.2MPa) °C

≥1520

≥1500

≥1470

≥1420

Reheating Linear Change %

+0.1(1500°C, 2h)

--

-0.4(1400°C, 2h)

--


China Aluminum Silica Refractory Brick


China Aluminum Silica Refractory Brick

Our competitive Advantage:

China Aluminum Silica Refractory Brick 

Packaging & Shipping

1.Packing by Plastic film and pallets or wooden box and others as requested.

2.Shipping by 20Ft container.

3.For more details of our products and others.Please kindly contact us.

FAQ:

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,Western Union,Moneygram,Paypal are available for us.

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

A:15-25days after deposit.

Q6:Is your company accept customization?

A:We have own factory and excellent technical team,and we accept OEM service.

Q7:How about your company's certification?

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

Q8: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.

Q9:Can you offers samples?

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

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.

Thanks for your coming in,if there is any question,I will be glad to help you.


Insulation Materials

Please you can also request the full range of auxiliary and insulating products, such as calcium silicate

boards and pipes, ceramic fiber products:

  • Blankets

  • Boards

  • Papers

  • Modules

  • Textiles

  • Others

In addition, all kinds of metallic and ceramic anchors are also available.


Our Team

Aluminum Silica Refractory Brick for Hot Blast Furnace


        Welcome to our factory.^_^


Send a message to us:

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Q:How to judge the quality of brick, clay brick, high alumina brick furnace from the appearance?
Mainly from the impurities to determine how much, generally less impurity single color brick.
Q:Common bond brick?
When adding ingredients, the amount of lime added shall be converted to CaO, and the amount of addition varies depending on the product, usually fluctuating at 1.5~2.5%. For example, the production of coke oven silica brick, the dosage of CaO is 2.0~3.0%; the production of electric furnace top brick, the dosage of CaO is 1.4~1.75%.
Q:What is acid refractory?
Refractory materials are mainly quartz glass products, combined with fused quartz products, silica brick and unshaped refractories. Semi siliceous refractory materials are generally attributed to this category. As for fireclay refractories, they are also classified as semi acidic or weakly acidic refractories. Also, zircon refractory and silicon carbide refractory for special acidic refractory materials are also classified into this category.
Q:Glass kiln brick for physical and chemical indicators?
Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.
Q:The production of brick, the ingredients of why join the waste brick
Too much addition will reduce the refractory and mechanical strength, increase porosity, so the amount of waste brick should not be too much.
Q:Can not use it two brick
Acidic silica brick refractory material, has good ability in acid slag erosion
Q:Such purpose and scope please give me detailed points thank you
Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.
Q:Semisilica brick interpretation
Good thermal shock resistance. In use, more high viscosity glass phase can be formed, and the masonry brick joint and the working surface are dense and the masonry is complete, which is beneficial to improve the impermeability of the masonry and reduce the erosion effect of the slag on the masonry.
Q:Can iron oxide be used as refractory material?
Iron oxide can not be used as refractory material, but it can be used as refractory additive. Iron oxide can be used as pigment
Q:How to improve the thermal conductivity of the coke silicabrick rate?
The content of SiO2 is 98.23% crystalline silica as raw material, with sulfite pulp liquid as binder, millscale and lime as mineralizer, by Jin Hongshi (TiO2) as additive, can improve the rate of thermal conductivity of silica brick for coke oven. When the rutile content is 1.5%, the coefficient of thermal conductivity of silica brick for coke oven is 2.66W/ (m.k).

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