GE 214® FUSED QUARTZ TUBING

GE 214® is a high purity, high transmittance, high temperature material with a low hydroxyl (OH)- content. It is suitable for a broad range of mercury, halogen and other quartz lamp applications which is the worldwide standard for clear fused quartz lamp tubing.

GE 214®: Fused Quartz Tubing
Glass Code: GE 214® Fused Quartz Tubing
214
type
Fused Quartz
Color
Clear
Principal Use
High Temperature
Thermal Expansion 10-7cm/cm/°C
20 - 320°C
5.5
Thermal Conductivity
W/m °C
1.4
Specific Heat
J/kg°C
670
Softening Point
°C
1683
Annealing Point
°C
1215
Strain Point
°C
1120
Design Tensile Strength (4.8 x 107 Pa)
7000 psi
Design Compression Strength (> 1.1 x 109 Pa)
160,000 psi
Hardness
5.5 - 6.5 Moh's Scale 570 KHN 100
Density kq/m3
2.2
Young's Modulus (10.5 x 10)
6psi
Constringency
(Nu)
67.56
Velocity of Sound - Shear Wave
3.7 x 103 m/s
Velocity of Sound / Compression Wave
5.9 x 103 m/s
Sonic Attention
db/m MHz
< 11

Dielectric Properties

(1 MHz 20°C)

Strength
5 x 10 x 7V/m
Dielectric Constant
3.75
Loss Factor
< 4 x 10-4
Refractive Index
1.4585
Permeability Constants
700°C (cm3 mm/cm2 sec cm of Hg)
Helium
Hydrogen
Deuterium
Neon
210 x 10-10
21 x 10-10
17 x 10-10
9.5 x 10-10
2015 © Glass Dynamics, LLC.
Designed by Kim Kelly