IRQ Grade Fused quartz is a refined natural quartz crystal flame fused. IRQ Grade Fused Quartz has a low level of inclusions and/or bubbles and is used for windows and plano lens, concave and convex lens, meniscus lens, beam splitters, recticles, prisms, cubes and other polished parts.
| Dynasil®: IRQ Grade Fused Quartz | ||
|---|---|---|
| Glass Code: Dynasil® | IRQ |
|
| type | Fused Quartz |
|
| Color | Clear |
|
| Principal Use | Qptics |
|
Thermal Expansion (10-5cm/cm/°C) |
5 |
|
Viscosity Data (This data subject to normal manufacturing variations.) |
Strain Point °C |
1080 |
Annealing Point °C |
1200 |
|
Softening Point °C |
1730 |
|
| Density q/cm3 | 2.2 |
|
| Hardness (Mohs Scale) | 72 |
|
| Tensile Strength (Mpa) | 50 |
|
| Compressive Strength (Mpa) | 1100 |
|
Bending Strength (Mpa) |
65 |
|
| Torison Strength (Mpa) | 30 |
|
| Young's Modulus (GPa) | 72 |
|
| Poisson's Coefficient | .16 |
|
| Resistivity: ohm | @ 20°C |
1 x 1020 |
@ 800°C |
6 x 108 |
|
@ 1000°C |
1 x 108 |
|
Dielectric Properties (1 MHz 20°C) |
Dielectric Constant |
3.78 |
Loss Factor |
1 x 104 |
|
| Refractive Index | 1.458 |
|