100 mm OD large diameter Alumina tube with 1800 mm in length is made from high purity 99% Al2O3 material. It can be used at operating temperatures up to 1700 oC in both oxidizing and reducing atmospheres, and up to 1450°C under vacuum . The tubes have been evacuated to 10-7 Torr at room temperature.Purchase Notes: Please make sure the specification of the tube meets your need before making a purchase. Since Nov 10, 2016, we have 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 as consumables. We apologize for the inconvenience. Please check the package for damages before accepting the delivery. For more information or damaged upon arrival please contact us.SPECIFICATIONS Purity Al2O3 > 99%, SiO2 < 0.25%, CaO+MgO < 0.3% Density > 3.8 g/cm3 I.D 90 +/-2 mm O.D 100 +/-2 mmNote: The outside of the two ends of tube were ground to the right diameter, and the outer diameter of the center area of the tube is slightly larger. Length 1800 mm Detailed dimension drawing Suitable for use with MTI's OTF1700X12Z 12-Zone 1700˚C Max. Split Tube Furnace Max. working temperature 1700 °C (3092°F) Warning Do NOT use an alumina tube under a vacuum at a temperature > 1500 °C. Max heating or cooling rate < 5°C/ minute. Please keep the thermal gradient less than 100°C/ inch to avoid cracking. Please separate the tube from the inside surface of the furnace to avoid thermal shock. Please handle the tube carefully. No warranty for the tube. Application Notes Please click here to learn how to use and maintain an Alumina tube in MTI high-temperature tube furnace. In order to get longer tube service life, Please use quartz or alumina crucible to carry the sample, instead of loading sample directly inside the tube, please click the picture below to choose one crucible boat: https://mtixtl.com/search?q=+crucible+boat&options%5Bprefix%5D=last Inspect your delivery:Please check the package for damages before accepting delivery. Should damages be found, please keep all packaging materials, take pictures, and report immediately to the carrier and us.
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