Properties of optical Quartz
Composition:
SiO
2
>99.95%
Density:
2.203g/cm
3
Young¡¯s module
£º
76.5-97Gpa
Tensile strength:
50Mpa
Compressive strength
£º
60-70Mpa
Flexural strength:
70Mpa
Mohs hardness
£º
5.5~6.5
Knoop Hardness:
88-100Mpa
Specific heat capacity (20
o
C):
0.213cal/g.
o
C
Thermal conductivity (20
o
C):
0.00331cal/cm.s.
o
C
Resistivity (20
o
C)
£º
>10
18
¦¸
.cm
Dielectric constant (0~10
6
Hz, 20
o
C)
£º
3.7
Chemical resistance:
Will not be Eroded by acids or alkalis except HF and H
3
PO
4
above 300
o
C
Optical transmission
JGS1:
High transmission at far UV
JGS2:
High transmission at UV
JGS3:
No OH
-
, high transmission at IR
Copyright by:
Nanjing Saifei
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2002.6
