Refractory Brick Silica Brick For Hot Blast Oven Brick

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
15 m.t.
Supply Capability:
30000 m.t./month

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Product Description:

General Information

The CMAX super-duty silica bricks for glass melting tank is characterized by high purity, less impurity, good corrosion resistance, higher bulk density, complete phase transformation, lower residual quartz, high RUL, lower thermal expansion and stable volume at high temperature. This leads to increase in service life of glass furnace and reduction in energy consumption. These products have found wide application in crown and key areas and been highly appreciated by clients.

 Features

1) A variety of specifications available.

 

2) Satisfy various technical request.

 

3) Lower medium spoilage.

 

4) Good insulation performance and high temperature resistance.

 

5) High compressive strength.

 

6) Used in all electric products and electric heating products.

 

7) OEM, ODM and OBM are welcomed.

Application

Glass melting tank

Glass furnace

Hot-Blast Stoves

 

Performance

Item                                                                              

Unit                            

95 Al2O3            

96 Al2O3            

99 Al2O3                    

Physical Characteristics      

Bulk density                    

g/cm3

3.6

3.6

3.9

Water absorption          

%

0

0

0

Mechanical Characteristics  

Flexural strength            

Mpa

320

340

360

Hardness Vickers          

Gpa

12.2

13.5

15.6

Elastic modulus              

Gpa

280

320

370

Poisson’s ratio                

-

0.22

0.23

0.23

Thermal Characteristics  

Linear expansion coefficient                

(200C-5000C) 10-6/0C

7.1

7.2

8

Thermal conductivity      

w/(m.k)

16

24

32

Specific Heat                    

*10-3J/(kg*K)

0.78

0.78

0.9

Electrical Characteristics

Dielectric constant (1MHZ)

-

9

9.4

9.9

Dielectric loss angle        

*10-4

15

5

1

Dielectric strength            

*106V/m

12

15

15

Processing technology

Process range (mm)

Outside Diameter

1---300

Inside Diameter

0.5---300

Length

0.5---1200

Accuracy of working (mm)

Perpendicularity

0.01

Concentricity

0.01

Roundness

0.005

Straightness

0.005

Parallelism

0.01

Planeness

0.005

Roughness

0.05

Fit clearance

0.005

 

Refractory Brick Silica Brick For Hot Blast Oven Brick

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Q:The specific content is what gb/t2608-2012 brick
The provisions of the brick classification, technical requirements, test methods,
Q:Common bond brick?
Lime should contain a lot of active CaO, I decompose CaCO3 and MgCO3 not more than 5%, Al2O3+Fe2O3+SiO2 no more than 5%. When the content of large particles, burned Ca-CO3 and over burned lime, the product produced caves, affecting the quality of products.
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:The hot blast stove when the temperature did not rise against the brick interface decreased
Different insulation methods can be adopted according to the length of the stop time and the location and equipment of the overhaul. Gold, refractory material factory specializing in the production of various specifications of brick
Q:Such purpose and scope please give me detailed points thank you because I am learning stage
Acid refractory brick is mainly composed of tridymite and cristobalite and quartz and a small amount of residual glass phase.
Q:Semisilica brick, clay brick, high alumina brick and what is the difference?
The share of A12O3 and SiO2 is different
Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
Brick, high thermal conductivity has been greatly improved in terms of morphology, crystal structure, physicochemical index. The structure and morphology of high thermal conductivity of silica brick,Structure and morphology of high thermal conductivity and the traditional brick brick magnified 20 times were compared, high thermal conductivity silica pore size distribution is more uniform and finer.
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: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:Common bond brick
Lime should contain a lot of active CaO, I decompose CaCO3 and MgCO3 not more than 5%, Al2O3+Fe2O3+SiO2 no more than 5%. When the content of large particles, burned Ca-CO3 and over burned lime, the product produced caves, affecting the quality of products.

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