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2 3/8" OD larger diameter Alumina tube is made in USA with high purity 99.8% ( 998) Al2O3 material. 998 alumina tube can be used at operating temperatures to 1750 oC in both oxidizing and reducing atmospheres. Tubes have been evacuated to 10-7 Torr at room temperature. 998 alumina tube proves inert to carbon and refractory metals in many severe situations:
Purity: Al2O3 > 99.8%
Density: > 3.91 g /cm3
I.D: 53.97 mm (2 1/8")
O.D: 60.33 mm (2. 3/8")
Length: 1000 mm (39.4")
Max. working temperature: 1750 oC
Warning:
Please don't use alumina tube under vacuum at temperature > 1500 oC
Please always keep heating or cooling rate less than 5oC/ minute
Please keep theral gradient less than 100oC/ minute to avois cracking
Please handle the tube carefully. No any warranty for the tube.
For vacuum sealing, please choose vacuum flanges at the related product below
Please click here to learn How to use and maitain Alumina tube in MTI high temperature tube furnace
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