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Clear Quartz Tube

Clear Quartz Tube
  • 编号:109
  • 类别:其它 - 其它
  • 发布时间:2010-06-02 16:37:49
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关于 Clear Quartz Tube 的详细介绍:
clear fused quartz glass tube ,which is produced through the advanced&nbsp;&nbsp;productive technique of continuous smelting method, it has the characteristics of high purity, strong transmission , good thermally stable function, clear surface, low contents of hydroxide radical , it is the first used materials of producing halogen lamp , mercury vapor lamp , metal halogen lamp, the contests of hydroxide radical can be controlled within 20PPM10PPM5PPM2PPM according to the demands of customers.<br>
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Dimensional Tolerance <br>
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Range of OD OD WT Siding Out of Round Bow/1220mm <br>
≤6mm ±2.0% ±10% 12% 2.0% 2.5mm <br>
6.00-15.00mm ±1.25% ±8% 10% 1.5% 2.5mm <br>
15.00-20.00mm ±1.25% ±10% 15% 1.5% 2.5mm <br>
20.00-25.00mm ±1.25% ±10% 15% 1.5% 3.0mm <br>
25.00-30.00mm ±1.35% ±12% 15% 1.5% 3.0mm <br>
30.00-80.00mm ±1.5% ±14% 15% 2.0% 3.0mm <br>
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Chemical Composition&nbsp;&nbsp;&nbsp;Unit: ppm<br>
Al Fe K Na Li Ca Mg Cu Mn Pb B Ti <br>
20 1.0 3.5 3.5 1.0 2.0 0.5 0.3 0.5 <0.01 <0.2 2.0 <br>
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Physical Properties<br>
Density&nbsp;&nbsp;20℃ kg.m-3 (×103) 2.2 <br>
Coefficient of expansion&nbsp;&nbsp;25-300℃&nbsp;&nbsp;℃-1 (×10-6) 0.56 <br>
Softening point&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;℃ 1670 <br>
Annealing point&nbsp;&nbsp;&nbsp;&nbsp;℃ 1210 <br>
Strain point&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;℃ 1110 <br>
Youngs modulus&nbsp;&nbsp;&nbsp;&nbsp;Pa 7.3×105 <br>
 

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