Silica firebrick supplied by CNBM china

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Loading Port:
China main port
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TT OR LC
Min Order Qty:
1000 pc
Supply Capability:
10000000 pc/month

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Product Description:

Quick Details

Place of Origin:

Shandong, China (Mainland)

Shape:

Brick

Material:

Alumina Block

Al2O3 Content (%):

30%-85%

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)



Packaging & Delivery

Packaging Details:wooden pallets with plastic film. 
Each 20ft container could load 24MT
Delivery Detail:within 20days

Specifications

1.Export more than 20 countries; 
2.Accurately delivery time; 
3.Professional technical service; 
4.Most brick in stock;

  

Silica firebrick

 

Features &Application  

1.Specification:Standard&special shape;

2.Well resist acid slag erosion;

3.Refractoriness under load is close to 

refractoriness ;

4.Nondeformable under high temperature

using;

 

Physical and chemical indicators

1.SiO2:95-96%;

2.Refractoriness:1710°C;

3.Refractoriness under load:1650-1680°C;

4.Bulk density:1.85-1.9g/cm3.

 

 

Silica firebrickSilica firebrickSilica firebrickSilica firebrickSilica firebrickSilica firebrick

Silica firebrick

 

When you send us the inquiry for these bricks,in order to make an accurately quotation to you,pls provide the following request:

1.The size of brick.

The standard size is 230*114*65MM,if the shape of brick is non-standard,pls provide the drawing.

2.Pls provide the main part of physical and chemical indicators.

3.Pls provide the purchasing quantity.


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Q:Is there a big difference between two high alumina brick and one high alumina brick?
According to my experience, two kinds of high alumina bricks from the index, there is a big difference between the content of AL2O3, a high aluminum brick in 75%, two grade high alumina bricks in 65%, so the content is not the same, also decided that the use of temperature difference, the difference is very big.
Q:How are the grades of high alumina bricks differentiated?
High alumina brick: aluminium silicate refractory product with a content of three Al2O3 (two) and more than 48%
Q:Corundum, high alumina and fireclay refractory difference is what
They differ in that the alumina content is different, and the content is in order: corundum > high alumina > clay.
Q:What should be used as binder for making high alumina bricks?
In addition, high alumina micro powder can be used as binding agent, or high alumina micro powder and clay powder are prepared according to a certain proportion, and synthetic mullite is used as bonding agent. With these binders, high alumina bricks without two expansion can be prepared.
Q:Application characteristics of high alumina brick
Refractoriness. High alumina brick products are advanced varieties of aluminium silicate refractory products, and their refractoriness increases with the increase of Al2O3 content, generally not less than 1750 - 1790 DEG C. If the content of Al2O3 is more than 95% of corundum brick, the refractoriness can be as high as 1900-2000 degrees.
Q:What's the difference between high alumina refractory bricks and high alumina refractory bricks?
The chemical pH value of high alumina refractory brick belongs to neutral and alkaline refractory brick, and clay refractory brick belongs to neutral and acid refractory brick.
Q:What are the grades of high alumina bricks?
According to the size of high aluminum brick is divided into: standard brick, special-shaped brick.
Q:What are the common thermal insulation materials for thermal conductivity?
The single organic insulation material should be the best polyurethane in the field. In accordance with the production process can be divided into on-site foam polyurethane and factory prefabricated rigid foam polyurethane board. The scene is polyurethane foam isocyanate and polyol to cool (polyether or polyester) two components as the main raw materials with additives, the on-site spraying construction with thermal insulation and waterproof function of the rigid foam material.
Q:How to reduce the harm caused by two times mullite in high alumina refractory material
Two times mullite refers to the content of aluminum is about 70%, in high temperature sintering, the expansion coefficient is large, the thermal expansion rate is high.
Q:Use of high alumina refractory bricks?
High alumina brick refractory than clay refractory bricks and brick refractory degree are higher, up to 1750~1790 DEG C, which belongs to high-grade refractory materials.

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