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Standard Dimension (mm)
Chemical Properties
Type
OD
OD tolerance
Wall thickness
WT tolerance
Ovality
Siding
CSA deviation
Bow (mm/m)
Typical length
Synthetic Quartz Tube (Cylinder)
14-20
±0.3
1-4
±0.3
≤0.1
≤0.1
≤4%
≤0.7
≤1200
20-30
±0.4
1-4
±0.2
≤0.1
≤0.1
≤4%
≤0.7
≤1200
30-40
±0.4
1-5
±0.4
≤0.15
≤0.15
≤4%
≤1
≤1200
40-60
±0.8
4-15
±0.4
≤0.4
≤0.4
≤4%
≤0.8
≤1200
60-90
±1.75
15-27
±0.5
≤0.5
≤0.5
≤4%
≤1
≤1200
Synthetic Quartz Rod
14-20
±0.3
-
-
≤0.1
-
-
≤0.7
≤1700
20-30
±0.4
-
-
≤0.1
-
-
≤0.7
≤1700
30-40
±0.4
-
-
≤0.15
-
-
≤1
≤1700
40-60
±0.8
-
-
≤0.4
-
-
≤0.8
≤1700
60-90
±1
-
-
≤0.5
-
-
≤1
≤1700
90-120
±1.75
-
-
≤0.5
-
-
≤1
≤1700
120-150
±1.75
-
-
≤0.5
-
-
≤1
≤1700
Li
Na
K
Ca
Mg
Fe
Cu
Mn
Al
Ti
Ni
Co
B
Cr
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
<0.01
Thermal Properties
Strain point (Viscosity 1014.5dPa·s)
1100℃
Annealing point (Viscosity 1013dPa·s)
1150℃
Softening point (Viscosity 107.6dPa·s)
1620℃
Long time operating temperature
950℃
Short time operating temperature
1200℃
