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:Which material is good for furnace refractory?
Neutral refractory is mainly composed of alumina, chromium oxide or carbon. Corundum products containing more than 95% of alumina are a kind of high quality refractory materials with a wide range of uses. Chrome brick with chromium oxide as its main component has good corrosion resistance, but its thermal shock resistance is poor, and its deformation temperature is lower at high temperature. Carbon refractories with carbon bricks, graphite and silicon carbide products, low coefficient of thermal expansion, high thermal conductivity, good thermal shock resistance, high strength, resistance to acid and salt corrosion, especially weak acid has good resistance, without wetting of the metal and slag, light. It is widely used as lining material of high temperature, and also used as lining of autoclave in petroleum and chemical industry.
Q:The chemical composition of silica brick and its physicochemical index?
The physicochemical index of silica brick:Turn left to |
Q:Can not use it two brick
Acidic silica brick refractory material, has good ability in acid slag erosion
Q:Why in the production of the brick to detect the volume density
Product quality control of silica brick.
Q:The specific content is what gb/t2608-2012 brick
Quality assessment procedures, packaging, marking, transport, storage, and quality certificates. Suitable for siliceous refractory bricks.
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: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 production of brick, the ingredients of why join the waste brick?
The production of silicon material is added to the cause of waste brick:Preparation of silica brick pug, a certain amount of waste silica brick used to add ingredients, for the purpose of expansion and stress reduction products during firing
Q:The introduction of silica brick?
An acid refractory consisting mainly of quartz and square quartz and a small amount of residual quartz and glass.More than 94% silica content. True density 2.35g/cm3. With acid resistance, slag erosion performance. Higher high temperature strength. The softening start temperature is 1620~1670 degrees. Long term use at high temperature without deformation. The thermal shock resistance is low (the heat exchange in water is 1~4 times). The natural silica is used as the raw material, and a proper amount of mineralizer is used to promote the transformation of quartz into quartz in the body. Slowly sintered at 1350~1430 DEG C in the reducing atmosphere. When heating up to 1450 degrees, the total volume of 1.5~2.2% expands, and the residual expansion can close the kerf and ensure the airtight and structural strength of the masonry.

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