roperty | Reference Value | Property | Reference Value |
Density | 2.203g/cm3 | Refractive Index | 1.45845 |
Compressive Strength | >1100Mpa | Coefficient of thermal expansion | 5.5×10-7cm/cm.ºC |
Bending Strength | 67Mpa | Melting point temperature | 1700ºC |
Tensile Strength | 48.3Mpa | The work temperature for a short time | 1400ºC~1500ºC |
Poisson's Ration | 0.14~0.17 | The work temperature for a long time | 1100ºC~1250ºC |
Elastic Modulus | 71700Mpa | Resistivity | 7×107Ω.cm |
Shearing Modulus | 31000Mpa | Dielectric Strength | 250~400Kv/cm |
Mohs Hardness | 5.3~6.5(Mohs Scale | Dielectric Constant | 3.7~3.9 |
Deformation Point | 1280ºC | Dielectric absorption coefficient | <4×104 |
Specific Heat(20~350 ºC | 670J/kg ºC | Dielectric loss coefficient | <1×104 |
Thermal Conductivity(20ºC) | 1.4W/m ºC |