Refractory Brick High Alumina Brick Fire Clay Brick
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Specifications
Refractory high alumina brick
High bulk density
High compressive strength
High refractoriness
Best Price
Refractory High Alumina Brick and Mortar
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) Stiffness texture.
6) Used in all electric products and electric heating products.
7) OEM, ODM and OBM are welcomed.
customer's drawings, samples and performance requirement are highly appreciated.
Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics.
Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products.
We can make the part by hot injection pressing, dry pressing, isostatic pressing and extrusion productive technology etc.
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 |
- Q:The chemical composition of silica brick and its physicochemical index?
- The physicochemical index of silica brick:Turn left to |
- 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:Why is the three oxidation of two silicon is very harmful impurities in silica brick
- Heating calcination is the best way to extend this sort of impurity removal. Remove impurities
- 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:Why is the new trend of the high thermal conductivity of silica brick
- The high thermal conductivity of silica brick all inherits the advantages of traditional coke oven silica brick, on the basis of further highlight the characteristics of high thermal conductivity.
- 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:Such purpose and scope please give me detailed points thank you
- Mainly used for coke oven carbonization chamber and the combustion chamber wall, 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. Also used for high temperature bearing part of hot blast stove and acid open hearth furnace.
- Q:Physical solid waste disposal
- Reduce crack production and improve yield. The amount of addition is related to the shape and weight of the brick. The bricks can be added to 20% weight less than 25kg; bricks above 25kg can be added to 30%; for the specific type of brick can be added 30%. into waste silica brick should pay attention to this problem
- Q:The hot blast stove when the temperature did not rise against the brick interface decreased
- Insulation of hot blast stove, key insulation silica brick hot stove, hot blast stove is shutdown or need repairing in blast furnace.
- Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
- The scale quartz is a spear shaped double crystal structure, very compact and favorable to the increase of thermal conductivity. The high thermal conductivity of silica brick in improving thermal conductivity and other performance indicators and traditional coke silicabrick agreement.That is to say, the high thermal conductivity of silica brick all inherited the traditional advantages of coke oven silica brick, on the basis of further highlight the characteristics of high thermal conductivity
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Refractory Brick High Alumina Brick Fire Clay Brick
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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