This is a one-end-closed quartz tube, a replacement tube for CCF-50 that is designed for Ultra-high vacuum application upto 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 Quartz Tube OD: 50mm ±0.5mm (1.97") ID: 44mm ±0.5mm (1.73") Length: 263 mm One end with flat end One end is closed as picture left Max. working temperature 1200C ( the quartz thermal radiation block must be used) Application Notes 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 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: Inspect your delivery:Please check package for damages before accepting delivery. Should damages found, please keep all packaging materials, take pictures, and report immediately to carrier/MTI.
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