description:
|
Product
|
Code
|
OH
PPM |
category
|
Application
|
|
Transparent
Quartz rod |
|
<150
|
Unbaked,GE214LD
PH300/308, Ovisil451 |
Quartz welding,used in
semiconductor industry |
|
|
<150
|
Unbaked,GE214LD
PH300/308, Ovisil451 |
High-quality
welding |
|
Range of OD
|
OD
|
WT
|
Siding
|
Ovality
|
Bow/1220mm
|
|
<5mm
|
<62.0%
|
<68%
|
10%
|
1.5%
|
<2.5mm
|
|
5mm-13mm
|
<61.5%
|
<68%
|
8%
|
1.2%
|
<2.5mm
|
|
13mm-30mm
|
<61.5%
|
<67%
|
8%
|
1.0%
|
<3.0mm
|
|
30mm-80mm
|
<61.5%
|
<68%
|
8%
|
1.0%
|
<3.0mm
|
|
Chemical element
|
Al
|
Fe
|
Ca
|
Mg
|
Li
|
K
|
Na
|
Ti
|
|
Complexity
analysis |
23.2
|
4.8
|
3.1
|
2.5
|
2.0
|
5.4
|
6.1
|
|
|
Capability
|
Reference
|
Capability
|
Reference
|
|
Softening point
|
1620.c
|
Coefficient of thermal expansion (20-230.c)
|
5.6x10-7cm/cm. .c
|
|
Back spot
|
1170.c
|
Heat conductivity(20.c)
|
1.4W/m. .c
|
|
Strain point
|
1100.c
|
Specific heat(20.c)
|
670J/kg. .c
|
|
Density
|
2.2g/cm3
|
Electric calresistivity(350.c)
|
7x107ohm.cm
|
|
Hardness
|
5.5-6.5Mohs
|
Dielectric constant
|
3.75
|
|
Tensile strength
|
4.8x107N/m2
|
insulation strength
|
5x107V/m
|
|
Compression strength
|
1.1x109N/m2
|
|
|

