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