Complaint
industrial machine fine ceramic part porous pipe thermocouple refractory tube
99% al2o3 ceramic tube for high temperature furnace
Aluminium Oxide Ceramic Tube 99% Al2O3 for High Refractoriness Applications
Performance For Industrial Ceramic
Al2O3 Content(%) | 70-75 | 85 | 95 | 99.7 |
Density (g/cm3) | 3.0 | 3.4 | 3.7 | 3.9 |
Bending Strength (Mpa) | 85N/MM2 | 300 | 364 | 450 |
The coefficient of thermal expansion(200ºC-800ºC) | 6 | 7 | 7.6 | 8 |
Thermal Conductivity(W/(m.R)) | 17 | 18 | 20 | 35 |
Dielectric Strength (kv/mm) | 9 | 10 | 11 | 12 |
Working Temperature(long time use)(ºC) | 1300 | 1400 | 1600 | 1750 |
Water Absorption(%) | 5 | <0.2 | <0.25 | <0.1-0.2 |
Specifications:
| Dimension | Outer dia. mm | Inner dia.mm | Length mm | Remark | |
| Item | |||||
| Thermocouple protection tube | 7-120 | 1-110 | 10-2000 | If you need others,we can customize for you. | |
| Insulated tube | Single hole | 2-120 | 1-110 | 10-2000 | |
| (inner core) | Double holes | 1-10 | 0.4-2 | 10-2000 | |
| Four holes | 2-10 | 0.5-2 | 10-2000 | ||
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