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Laser condenser cavity
Material Properties for Quartz Glass
Physical Properties
Properties | Value | |
Mechanical Properties | Density | 2.203g/cm3 |
Compressive Strength | 1100Mpa | |
Bending Strength | 67Mpa | |
Tensile Strength | 48.3Mpa | |
Poisson's Ratio | 0.14~0.17 | |
Young’s Modulus | 72000Mpa | |
Rigidity Modulus | 31000Mpa | |
Mohs Hardness | 5.5~6.5 | |
Thermal Properties | Deformation Point | 1280℃ |
Softening Point | 1680℃ | |
Annealing Point | 1210℃ | |
Specific Heat (20~350℃) | 670J/kg.℃ | |
Thermal Conductivity (20℃) | 1.4W/m.℃ | |
Coefficient of thermal expansion | 5.5×10-7cm/cm.℃ | |
Hot Work Temperature | 1700~2000℃ | |
Short-term Use Temperature | 1300℃ | |
Long-term Use Temperature | 1100℃ | |
Electrical Properties | Resistivity | 7×107Ω.cm |
Dielectric Strength | 250~400Kv/cm | |
ε/ Dielectric Constant | 3.7~3.9 | |
Dielectric absorption coefficient | <4×104 | |
Dielectric loss coefficient | <1×104 |
Chemical Properties
Solution | Treatment condition | Corrosion capacity |
H2O | 95℃ 45(Hours) | 1~2×10-7 g/cm2 |
98%H2SO4 | 20℃ 2(Hours) | 1.4×10-8 g/cm2 |
60%HNO3 | 20℃ 2(Hours) | 5.0×10-8 g/cm2 |
36%HCl | 20℃ 2(Hours) | 15×10-8 g/cm2 |
5%NaOH | 100℃ 10(Hours) | 1.35×10-3 g/cm2 |
1%KOH | 98℃ 2(Hours) | 68×10-6 g/cm2 |
Purity
Name | Impurities ppm | ||
Synthetic (CVD)JGSI | Oxy-hyd melting JGS2 | Electrical melting JGS3 | |
Al | 0.16 | 17.00 | 14.44 |
Fe | 0.01 | 0.36 | 1.46 |
Ca | 0.31 | 1.30 | 2.45 |
Mg | 0.65 | 0.22 | 0.46 |
Ti | 0.08 | 1.3 | 4.84 |
Cu | 0.01 | 0.04 | 0.16 |
Ni | 0.01 | 0.01 | 0.04 |
Co | 0.04 | 0.01 | 0.02 |
Mn | 0.01 | 0.03 | 0.08 |
K | 0.34 | 0.63 | 2.16 |
Na | 0.06 | 1.11 | 1.33 |
Li | 0.01 | 0.63 | 0.81 |
B | / | 0.08 | 0.05 |
OH | 1100~1300 | 150~250 | 1~120 |
SiO2 | >99.999% | 99.99% | 99.92% |
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