Application :
Widely used for high technology fields such as semiconductor
technology, integrated circuit production, optical fiber telecom,
laser technology,space flight technolody, national defense war
industry and optical industry etc.
Characteristics
1.Very Low Coefficient of Thermal Expansion |
2.Resistance to High Temperature |
3.High Chemical Purity |
4. High Corrosion Resistance |
5.Extensive Optical Transmission from Ultra-Violet to Infra-Red |
6.Excellent Electrical Insulation Qualities |
Mechanical Property:
Mechanical Property | Reference Value | Mechanical Property | Reference Value |
Density | 2.203g/cm3 | Refractive Index | 1.45845 |
Compressive Strength | >1100Mpa | Coefficient of thermal expansion | 5.5×10-7cm/cm.℃ |
|
Bending Strength | 67Mpa | Hot work temperature | 1750~2050℃ |
Tensile Strength | 48.3Mpa | The temperature for a short time/ | 1300℃ |
Poisson's Ratio | 0.14~0.17 | The temperature for a long time/ | 1100℃ |
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 | 1280℃ | Dielectric absorption coefficient/ | <4×104 |
Specific Heat(20~350℃) | 670J/kg ℃ | Dielectric loss coefficient | <1×104 |
Thermal Conductivity(20℃) | 1.4W/m ℃ | Typical Mechanical Property of Fused Quartz |