The mechanical properties of quartz glass |
|
Density: |
2.2g/cm3 |
Compressive strength: |
1100Mpa |
Bending strength: |
67Mpa |
Tensile strength: |
48Mpa |
Mohs hardness: |
5.5-6.5 |
Thermal properties of quartz glass |
|
Deformation point: |
1120℃ |
Softening point: |
1680℃ |
Thermal expansion coefficient: |
5.5x10-7cm/cm.℃ |
Short term usage temperature: |
1300℃ |
Long term use temperature: |
1100℃ |
Electrical properties of quartz glass |
|
Resistivity: |
7x107Ω.cm |
Insulation strength: |
250-400Kv/cm |
Dielectric constant Ɛ: |
3.7-3.9 |
Dielectric absorption coefficient: |
<4x104 |
Dielectric loss coefficient: |
<1x104 |