Wavelength (nm) thickness 1.20mm
Special Features
- Superior optical quality
- Tight dimensional control
- Thermal and chemical properties ideally suited to high temperatures
- Easy conversion from fused quartz
- Excellent thermal shock resistance
Mechanical Properties
| Metric | |
| Density | 2.18g/cm3 |
| Young’s Modulus | 6.75 x 103 kg/mm2 |
| Poisson’s Ratio | 0.19 |
| Shear Modulus | 2.85 x 103 kg/mm2 |
| Knoop Hardness (KHN100) | 487 |
Viscosity Properties
| Softening Point | 1530° C |
| Annealing Point | 1020° C |
| Strain Point | 890° C |
Thermal Properties
| Coefficient of Expansion (0-300°C) | 7.5 x 10-7/ °C |
| Specific Heat 25 °C | 0.18 cal/g °C |
| Thermal Conductivity 25°C |
0.0033 cal cm sec cm2 °C |
| Thermal Diffusivity 25°C |
0.0090 cm2 sec |
| Continuous Operating Temperature | 900°C |
Optical Properties
| Refractive Index (589.3nm) | 1.458 |
| Birefringence Constant |
360 nm/cm kg/mm2 |
WHILE EVERY ATTEMPT HAS BEEN MADE TO VERIFY THE SOURCE OF THE INFORMATION, NO RESPONSIBILITY IS ACCEPTED FOR ACCURACY OF DATA.
