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One End Closed Quartz Tube (100 OD x 94 ID x 200 L, mm) w/ CF Flange for Ultra-Hi Vacuum 5x10E-6 torr - CFF-100

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Description

 

The one end closed quartz tube with CF type flange is designed for Ultra-high vacuum application up to 10e-6 torr via turbopump. Purchase Notes: Please make sure the specification of the tube meets your need before making a purchase. Since Nov 10, 2016, we no longer accept return delivery of any tubes due to the fragile nature of the materials. All tubes are not refundable, not exchangeable, nor covered under the warranty (Consumables). We apologize for the inconvenience. Please check the package for damages before accepting the delivery. For more information or damage upon arrival please contact us. SPECIFICATIONS

Flange 
  • Made of SS 316 
  • CF type to fit the included quartz tube only
  • Fluoro-elastomer O-ring
  • There are two feedthrough connections, KF-16 and KF-40
KF-16 could be used on NIST Traceable Anti-Corrosive Digital Vacuum Gauge or other, and KF - 40 could be used on any fit in with the feedthrough, such as bellow tube for vacuum pump.
                
Quartz Tube
  • OD:        100mm ±0.5mm
  • ID:          94mm ±0.5mm 
  • Length:   200 mm
  • One end with the flat end
  • One end is closed as the picture left
  • Max. working temperature 1200C ( the quartz thermal radiation block must be used)
Vacuum & furnace optional
  • 7.4E-6 hPa (5.6E-6 torr), unloaded, room temperature
  • 4.6E-6 hPa (3.5E-6 torr) after bakeout (Pictures1)
  • In order to achieve the ultra-high vacuum condition, It is recommended to use a quartz block which can ensure a clean environment with literally no degassing. Please click the image #2 below to order. 
      Pic.1        Pic.2
                                                                                                           
Application Notes Ceramic Crucibles ( Alumina, Quartz and Zirconia etc )
  • Vacuum pressures may only be safely used up to 1000°C
  • Quartz tubes are designed for using under vacuum and Max.positive  pressure must be < 0.2 bars / 3 psi / 0.02 MPa
  • For using the tube flange kit at a high temperature >500C,  the quartz thermal radiation block shall be used.
  • In order get longer tube service life, Please use quartz or alumina crucible to carry the sample, instead of loading the sample directly inside the tube, please click the picture below to choose one crucible boat:

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