Transparent Quartz Glass Tubes
2016-10-26 03:09 Views:211
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Clear Fused Quartz
Product Name | Product ID | UV transmission ℅ | OH ppm | Type comparison | Typical Application | 190nm | 253.7nm | Clear Fused Quartz | | >=40 | >=87 | <150 | Unbaked, GE214 PH300/308 Ovisil451 | Halogen Germicidal with ozone lamps,heater etc. | OD range | OD | thickiness | siding | Ovality | bow/1220mm | <5mm | <±2.0℅ | <±8℅ | 10℅ | 1.5℅ | <2.5mm | 5mm-13mm | <±1.5℅ | <±8℅ | 8℅ | 1.2℅ | <2.5mm | 13mm-30mm | <±1.5℅ | <±7℅ | 8℅ | 1.0℅ | <3.0mm | 30mm-80mm | <±1.5℅ | <±8℅ | 8℅ | 1.0℅ | <3.0mm | Typical elements
| Al | Fe | Ca | Mg | Li | K | Na | Ti | | | 23.2 | 4.8 | 3.1 | 2.5 | 2.0 | 5.4 | 6.1 | | Physical properties | Reference | Physical properties | Reference | Softening point | 1680.C | coefficient of thermal expansion(20-230.C) | 5.7x10-7cm/cm. .C | Annealing point | 1210.C | thermal expansion (20.C) | 1.4W/m. .C | strain point | 1120.C | Heat(20.C) | 670J/kg. .C | Density | 2.2g/cm3 | Resistivity(350.C) | 7x107ohm.cm | hardiness | 5.5-6.5Mohs' | permittivity | 3.75 | strength of pulling resistance | 4.8x107N/m2 | Dielectric strength | 5x107V/m | strength of pressure resistance | 1.1x109N/m2 | | |
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