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Stiffness texture black alumina ceramic valve disc
Features of the ceramic disc:
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
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, 200T isostatic pressing and extrusion productive technology etc.
Performance For Industrial Ceramic | |||||
Item | Unit | 95 Al2O3 | 96 Al2O3 | 99 Al2O3 | |
Physical Characteristics | Heat resistance | 0C | 1500 | 1550 | 1800 |
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 | (20-5000C) 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 |
About our company:
Xing Tai Long is the company who is delighted to establish three series of products,including Refractory Ceramics,Project Ceramics and Ceramic Packing Materials.The main products: Alumina/SiC tubes, Alumina/SiC crucible etc. and silicon carbide products.With over 20 years experience and ISO9001/SGS passed,we establish long-termed cooperations with noted corporations domestic and overseas.
Why choose Xingtailong?
High puriy material make sure high max working temperature,
Tight tolerance make sure the right installation.
Large quantity in stock ensured fast delivery.
Large capacity reduce materical prices.