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Product Details:
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| Name: | High 95% Alumina Yarn Guide Ceramic Eyelet Wheel Textile Ceramic Part | Color: | Red |
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| Heat Resistance: | ＞1500℃ | Water Absorption: | 0 |
| Hardness Vickers: | ＞12.2GPA | Material: | 95% & 99% Al2O3 |
| High Light: | porous alumina plate,alumina ceramic tube |
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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---600 | |||||
| Accuracy of working (mm) | ||||||
| Perpendicularity | 0.001 | |||||
| Concentricity | 0.001 | |||||
| Roundness | 0.0005 | |||||
| Straightness | 0.005 | |||||
| Parallelism | 0.01 | |||||
| Planeness | 0.005 | |||||
| Roughness | 0.005 | |||||
| Fit clearance | 0.005 | |||||
Contact Person: Mr. Bruce
Tel: 86-18351508304
Fax: 86-510-8746-8690
