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Product Name
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OH ppm
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Type comparison
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Jointing and carriers
materials etc. |
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Dehydroxyl
Clear Fused Quartz Rod |
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≤50
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Baked,
GE214LD PH300/308, Ovisil451 |
High quality Jointing and carriers
materials etc. |
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≤50
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Baked,
GE214LD PH300/308, Ovisil451 |
High quality Jointing and carriers
materials etc. |
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OD Range
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OD
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Wall Thickness
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Siding
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Ovality
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Bowing/1220mm
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<5mm
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<±2.0%
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<±8%
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10%
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1.5%
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<2.5mm
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5mm-13mm
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<±1.5%
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<±8%
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8%
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1.2%
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<2.5mm
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13mm-30mm
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<±1.5%
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<±7%
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8%
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1.0%
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<3.0mm
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30mm-80mm
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<±1.5%
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<±8%
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8%
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1.0%
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<3.0mm
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Typical Elements |
Al
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Fe
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Ca
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Mg
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Li
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K
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Na
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Ti
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23.2
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4.8
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3.1
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2.5
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2.0
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5.4
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6.1
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Physical properties
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Reference
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Physical properties
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Reference
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Softening point
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1680℃
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coefficient of thermal expansion (20-230℃)
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5.7x10-7cm/cm.℃
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Annealing point
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1210℃
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thermal expansion (20℃)
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1.4W/m.℃
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strain point
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1120℃
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Heat (20℃)
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670J/kg.℃
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Density
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2.2g/cm3
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Resistivity (350℃)
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7x107ohm.cm
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hardiness
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5.5-6.5Mohs'
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permittivity
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3.75
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strength of pulling resistance
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4.8x107N/m2
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Dielectric strength
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5x107V/m
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strength of pressure resistance
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1.1x109N/m2
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