The fused quartz material used for our Quartz Discs, Quartz Microscope Slides, and Quartz
Cover Slips is a high quality, high purity GE124 quartz.
This quartz material is well documented and used in many microscopy applications.
Fused quartz is an amorphous, glassy material.
Typical Trace Element Composition (ppm by weight)
Analysis via Direct Reading Spectrometer
|
Type
|
Al
|
As
|
B
|
Ca
|
Cd
|
Cr
|
Cu
|
Fe
|
K
|
Li
|
Mg
|
Mn
|
Na
|
Ni
|
P
|
Sb
|
Ti
|
Zr
|
*OH
|
GE 124
|
14
|
<0.002
|
<0.2
|
0.4
|
<0.01
|
<0.05
|
0.05
|
0.2
|
0.6
|
0.6
|
0.1
|
<0.05
|
0.7
|
<0.1
|
<0.2
|
<0.003
|
1.1
|
0.8
|
<5
|
Typical Physical Properties
|
Density
|
2.2 x 103 kg/m3
|
Refractive index
|
1.4585
|
Softening point
|
1683°C
|
Annealing point
|
1215°C
|
Strain point
|
1120°C
|
Hardness
|
5.5 - 6.5 Mohs Scale
|
Compressive Strength
|
1.1 x 109 Pa (160,000 psi)
|
Tensil strength
|
4.8 x 107 Pa (7000 psi)
|
Electrical resistivity
|
@350°C: 7 x 107 ohm/cm
|
Young's Modulus
|
7.2 x 1010 Pa (10.5 x 106 psi)
|
Thermal Expansion Coefficient
|
5.5 x 10-7 mm/mm.°C
|
Thermal Conductivity
|
1.4 w/m.°C
|