3.15" x 40" (80 OD x 74 ID x 1000mm L) Alumina Ceramic Tube - EQ-TA-80D-M1000

3.15" OD larger diameter Alumina tube is made of high purity 99.5% Al₂O₃ material. Such 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. SPECIFICATIONS

O.D	3.15" +/- 0.04    (80.4 +/- 1 mm)
I.D	2.93" +/- 0.04    (74.5 +/- 1 mm)
Tube Length	1000 mm
Detailed demension drawing
Max. Working Temperature	1700oC  ( unloade0d  without vacuum )
Purity	》 99.5%
Warning	Please don't use alumina tube under vacuum at temperature > 1500 oC. Please always keep the 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.
Application Notes	Please click here to learn  how to use and maitain Alumina tube in MTI high temperature tube furnace. In order get longer tube service life, Please use quartz or alumia crucible to carry sample, instead loading sample directly inside tube, please click picture below to choose one crucible boat: