Refractory Brick Light Weight Silica 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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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/cm33.63.63.9
Water absorption          %000
Mechanical Characteristics  Flexural strength            Mpa320340360
Hardness Vickers          Gpa12.213.515.6
Elastic modulus              Gpa280320370
Poisson’s ratio                -0.220.230.23
Thermal Characteristics  Linear expansion coefficient                (200C-5000C) 10-6/0C7.17.28
Thermal conductivity      w/(m.k)162432
Specific Heat                    *10-3J/(kg*K)0.780.780.9
Electrical CharacteristicsDielectric constant (1MHZ)-99.49.9
Dielectric loss angle        *10-41551
Dielectric strength            *106V/m121515
Processing technology
Process range (mm)
Outside Diameter1---300
Inside Diameter0.5---300
Length0.5---1200
Accuracy of working (mm)
Perpendicularity0.01
Concentricity0.01
Roundness0.005
Straightness0.005
Parallelism0.01
Planeness0.005
Roughness0.05
Fit clearance0.005

 

Refractory Brick Light Weight Silica Brick

Refractory Brick Light Weight Silica Brick



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Q:Why is the three oxidation of two silicon is very harmful impurities in silica brick
Can generate the material needs is the best way to see the impurity problem!! the first consideration is whether can get the material impurities with what method choice after the time! Miscellaneous reactions cannot have new impurity formation! Selected cannot and need material reaction reagent!
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:The brick is mainly used in the place?
Open hearth furnace regenerator and a sediment chamber, soaking furnace, glass furnace refractory materials and ceramic brick kiln, kiln vault and other load-bearing parts.
Q:The formula in the refractory brick, and firing curve, who knows?
Add 1.8-2.2% of the total weight of the main raw material, and then add lime milk, rolling for 10-15 minutes, and finally add pulp, rolling for 10-15 minutes, out of the mill, forming billet.
Q:Glass kiln brick for physical and chemical indicators?
Glass kiln with high quality silica brick with silicon oxide content, low melt index, mainly used for glass kiln crown, parapet, wall hanging, small furnace arch superstructure and regenerator.
Q:Why in the production of the brick to detect the volume density
Fast density test, please consult an instrument.
Q:Why is the highest brick coke oven temperature measuring point temperature not exceeding 1450
Brick belongs to refractory materials, with strong resistance to acid slag or acid solution erosion ability, high load softening temperature are excellent properties of silica brick, usually 1640-1680 C.
Q:What is the effect of the content of silicon nitride in silicon nitride bonded silicon carbide brick on the use of electrobath? Thank you
Small fluctuations in the chemical composition do not have a significant effect on use. The key is the operation of the electrolyzer in production to determine whether the side wall will be damaged.
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:The difference between clay refractory bricks and refractory brick in the application??
Clay brick features good thermal shock resistance and low price, but high temperature performance is not well integrated, and the long-term use temperature is not higher than 1300 degrees. It is widely used in low temperature parts of various kilns.

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