China High Purity Cylindrical Al2O3 Ceramic Corundum Alumina Crucible for Metal Melting in Laboratory, Find details about China Alumina Ceramic Crucible, Industrial Ceramic from High Purity Cylindrical Al2O3 Ceramic Corundum Alumina Crucible for Metal Melting in Laboratory
Item | Data | |
Al2O3 Content(%) | 99 | |
Physical Characteristics | Heat resistance(ºC) | 1800 |
Bulk density(g/cm3) | 3.9 | |
Water absorption(%) | 0 | |
Flexural strength(Mpa) | 360 | |
Mechanical Characteristics | Hardness vickers (Gpa) | 15.6 |
Elastic modulus (Gpa) | 370 | |
Poisson's ratio | 0.23 | |
Thermal Characteristics | Linear expansion coefficient(20ºC-500ºC) 10-6/ºC | 8 |
Thermal conductivity w/(m·k) | 32 | |
Specific Heat ×10-3J/(kg·K) | 0.9 | |
Electrical Characteristics | Dielectric constant (1MHZ) | 9.9 |
Dielectric loss angle ×10-4 | 1 | |
Dielectric strength ×106V/m | 15 |
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