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High Purity Alumina Ceramic Tube
For any inquiry, please send to this email: sales@gensitherm.com
The large-diameter alumina tube with an outer diameter of 4 inches is made of high-purity 99.8% (998) Al2O3 material. 998 alumina tube can be used at operating temperatures to 1800 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.
The large-diameter alumina tube with an outer diameter of 4 inches is made of high-purity 99.8% (998) Al2O3 material. 998 alumina tube can be used at operating temperatures to 1800 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.
SPECIFICATIONS
| Purity | Al2O3 > 99.8% |
| Density | > 3.91 g /cm3 |
| I.D | 2.756″ +/- 0.110 (70 +/- 2.79 mm) |
| O.D | 3.15″ +/- 0.04 (80 +/- 1 mm) |
| Length | 39.375″ (1000 mm) |
| Max. working temperature | 1800 oC |
| Warning | Please don’t use alumina tube under vacuum at temperature > 1500 oC when vertically-mounted and >1400 oC when horizontally-mounted
strongly recommends keeping ramp rate less than 100oC/ hour at 400 – 1700 oC range Please keep thermal gradient less than 100oC/ inch to avoids cracking Parts should not be placed directly onto the inside surface of a hot furnace tube increase thermal shock Please handle the tube carefully. Warranty does not include tube |
| Application Notes | 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 |
