China High Temperature Resistant Transparent Quartz Glass Rod Optical Fused Quartz Rod, Find details about China Optical Fused Quartz Rod, Quartz Glass Rod from High Temperature Resistant Transparent Quartz Glass Rod Optical Fused Quartz Rod
Quartz glass has a very low coefficient of thermal expansion, high temperature resistance, excellent chemical stability, excellent electrical insulation, low and stable ultrasonic delay performance, the best UV-Vis spectral performance and visible and near infrared spectroscopy Performance, and has a higher than ordinary glass mechanical properties.
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Density | 2.203 g/cm3 |
Hardness | 7 (Modified Scale); 5.36.5 (Mohs Scale) |
Modulus of elasticity | 63·103N·mm-2 |
Poisson's ratio | 0.18 |
Tensile strength | 48.3 MPa |
Compressive strength | >1.1 GPa |
Bulk modulus | ~37 GPa |
Rigidity modulus | 31 GPa |
Poisson's ratio | 0.16 |
Coefficient of thermal expansion | 5.5×10-7 cm/(cmK) ( from 20°C to 320°C) |
Thermal conductivity | 1.3 W/(mK) |
Softening point | 1730°C |
Annealing point | 1180°C |
Strain point | 1075°C |
Electrical resistivity | >1018 Ωm |
Dielectric constant | 3.75 at 20°C 1 MHz |