IRQ GRADE FUSED QUARTZ

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
2015 © Glass Dynamics, LLC.
Designed by Kim Kelly