Brand:AV
MOQ:50
Quantity:10000
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Alumina Thermocouple ProtectionTube:
Thermocouple protection tubes areavailable as a closed-end tube with a reusable stainless steelcoupling device. This evice allows for two methods of use: Thethermocouple protection tube can be hung by the flange or attachedvia the threaded end of the coupling device.
Features:
1) Materials: 95% alumina oxide, 99%alumina oxide
2) Application: Used for all kinds ofelectric heating equipment and electric equipment, and textilemachinery
3) Good smooth and highstrength
4) A variety of specificationsavailable
5) OEM, ODM and OBM arewelcomed
data:
| Tech-data | Test conditions | Unit | 95% AL2O3 | 99.5% AL2O3 |
| Density | g/cm3 | > 3.60 | 3.7 | |
| Bending Strength | N/m3 | 2.24 × 108 | > 2.74× 108 | |
| LinearExpansibility | 20~1000C | a× 10¯ 6 | - | - |
| 20~5000C | a× 10¯ 6 | 6.2~7.5 | 6.2~7.5 | |
| 20~8000C | a× 10¯ 6 | 6.5~8.0 | 6.5~8.0 | |
| Specific InductiveCapacity | 1MHz | 9~10 | 9~10.5 | |
| 10GMHz | 9~10 | - | ||
| Dielectric Loss | 1MHz | a× 10¯6 | ≤ 4 | ≤ 1.5 |
| Tangent | 10GMHz | a× 10¯6 | ≤ 10 | - |
| VolumeResistance | 1000C | Ω . cm | > 1013 | > 1014 |
| 3000C | Ω . cm | > 1016 | > 1012 | |
| 5000C | Ω . cm | 108 | - | |
| Breakdown Strength | KV/mm | 15 | - | |
| Thermal Conductivity | 200C | W/m. K | 25.2 | 29.2 |
