2" x 27" (50 OD x 42 ID x 700mm L) Alumina Ceramic Tube - EQ-TA-50D-M700

2" O.D alumina tube can be used at operating temperature up to 1750 ^oC in both oxidizing and reducing atmospheres. Tubes have been evacuated to 10^-7 Torr. It proves inert to carbon and refractory metals in many severe situations. SPECIFICATIONS

Purity	Al2O3 > 99%, SiO2 < 0.25%, CaO+MgO < 0.3%
O.D	2" +/- 0.05 (51.5 mm)
I.D	1-2/3" +/- 0.05 (41.8 mm)
Tube Length	700 mm
Detailed dimension drawing
Warning	Please don't use an alumina tube under vacuum at temperature > 1500 oC. Please always keep the heating or cooling rate less than 5oC/ minute. Please handle the tube carefully. No warranty for the tube.
Application Notes	Please click here to learn  how to use and maintain 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 the sample directly inside the tube, please click the picture below to choose one crucible boat: