Alumina Thermocouple Protection Tube
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Thermocouple protection tubes are available as a closed-end tube with a reusable stainless steel coupling device. This thermocouple sheath can be hung by the flange or attached via the threaded end of the coupling device.
Features of Alumina Thermocouple Protection Tube
Materials: 95% alumina oxide, 99% alumina oxide
Application: for various kinds of electric equipment, such as electric heating equipment and textile machinery.
Smooth surface and high strength texture
The thermocouple tube is available in a variety of models.
OEM, ODM and OBM service are all available.
| Parameter | 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 | |
| Linear Expansibility | 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 Inductive Capacity | 1MHz | 9~10 | 9~10.5 | |
| 10GMHz | 9~10 | - | ||
| Dielectric Loss | 1MHz | a × 10 ¯ 6 | ≤ 4 | ≤ 1.5 |
| Tangent | 10GMHz | a × 10 ¯ 6 | ≤ 10 | - |
| Volume Resistance | 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 |
| CT95-6 × 4 × 700 |
| CT95-7 × 5 × 1000 |
| CT95-8 × 5 × 650 |
| CT95-8 × 5 × 800 |
| CT95-10 × 6 × 800 |
| CT95-10 × 6 × 1000 |
| CT95-10 × 6 × 1250 |
| CT95-10 × 7 × 400 |
| CT95-10 × 7 × 500 |
| CT95-10 × 7 × 600 |
| CT95-10 × 7 × 650 |
| CT95-10 × 7 × 700 |
| CT95-10 × 7 × 1030 |
| CT95-12 × 8 × 1000 |
| CT95-12 × 8 × 800 |
| CT95-13 × 9 × 1000 |
| CT95-15 × 11 × 1000 |
| CT95-15 × 11 × 500 |
| CT95-15 × 11 × 700 |
| CT95-15 × 10 × 1100 |
| CT95-15 × 10 × 1000 |
| CT95-17 × 13 × 1125 |
| CT95-18 × 12 × 1100 |
| CT95-20 × 10 × 1200 |
| CT99-20 × 10 × 1200 |
| CT95-20 × 15 × 500 |
| CT95-20 × 15 × 700 |
| CT95-20 × 15 × 800 |
| CT95-20 × 15 × 1000 |
| CT95-20 × 15 × 1100 |
| CT95-24 × 18 × 1100 |
| CT95-24 × 18 × 1500 |
| CT95-24 × 19 × 1000 |
| CT95-24 × 19 × 500 |
| CT95-32 × 24 × 1100 |
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