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Product Name
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Product ID
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UV transmission ℅
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OH ppm
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Type comparison
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Typical Application
|
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190nm
|
253.7nm
|
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Clear Fused Quartz
|
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>=40
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>=87
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<150
|
Unbaked,
GE214 PH300/308 Ovisil451 |
Halogen
Germicidal with ozone lamps,heater etc. |
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OD range
|
OD
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thickiness
|
siding
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Ovality
|
bow/1220mm
|
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|
<5mm
|
<±2.0℅
|
<±8℅
|
10℅
|
1.5℅
|
<2.5mm
|
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|
5mm-13mm
|
<±1.5℅
|
<±8℅
|
8℅
|
1.2℅
|
<2.5mm
|
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|
13mm-30mm
|
<±1.5℅
|
<±7℅
|
8℅
|
1.0℅
|
<3.0mm
|
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30mm-80mm
|
<±1.5℅
|
<±8℅
|
8℅
|
1.0℅
|
<3.0mm
|
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|
Typical elements |
Al
|
Fe
|
Ca
|
Mg
|
Li
|
K
|
Na
|
Ti
|
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|
|
23.2
|
4.8
|
3.1
|
2.5
|
2.0
|
5.4
|
6.1
|
|
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Physical properties
|
Reference
|
Physical properties
|
Reference
|
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|
Softening point
|
1680.C
|
coefficient of thermal expansion(20-230.C)
|
5.7x10-7cm/cm. .C
|
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Annealing point
|
1210.C
|
thermal expansion (20.C)
|
1.4W/m. .C
|
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|
strain point
|
1120.C
|
Heat(20.C)
|
670J/kg. .C
|
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|
Density
|
2.2g/cm3
|
Resistivity(350.C)
|
7x107ohm.cm
|
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hardiness
|
5.5-6.5Mohs'
|
permittivity
|
3.75
|
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strength of pulling resistance
|
4.8x107N/m2
|
Dielectric strength
|
5x107V/m
|
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|
strength of pressure resistance
|
1.1x109N/m2
|
|
|
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