High Temperature Thermocouple Protection Tube
Product Description
1. Introduction:
Thermocouple Protection TubeThermocouple Protection Tube are used in the thermocouple assembly which applied for the high temperature measuring, includes three kinds according to different temperature requirements,
1. High alumina ceramic protection tube, 1800ºC.
2. Recrystallized Silicon Carbide (or RSiC)Thermocouple protection tubes, 1650ºC
3. Nitride Bonded Silicon Carbide (NSiC)Thermocouple protection tubes,1500ºC.
2. Application:
Furnace tube for resistance furnaces, heat treatment furnaces
Chemical analysis for steel and iron
Various insulationg parts for high temperature resistance and etching resistance
Temperature measuring meters
Protection and insulation for thermocouples and thermometers
3. High Alumina Ceramic Thermocouple Tube
Introduction
Material: AlO
Max. Working temperature : 1800ºC
Diameter: from 1-120mm,
Length: from 5-3000mm
AlO content determines the measuring temperature level, AlO content higher, the temperature is higher.
| Properties |
Ceramic Type |
| 85% AlO |
95% AlO |
99.5 AlO |
| Color |
White |
Pink |
Ivory |
| Max. Temperature |
1500ºC |
1650ºC |
1800ºC |
| Working Temperature |
1350ºC |
1450ºC |
1600ºC |
| Water Absorption |
<0.2% |
<0.1% |
<0.1% |
| Hardness(Mohs scale) |
7 |
9 |
9 |
| Volume Resistivity(20ºC) |
10 ¹³Ω·m |
10 ¹³Ω·m |
10 ¹³Ω·m |
| Volume Resistivity(1000ºC) |
10ohm.cm |
10ohm.cm |
10ohm.cm |
| Density |
3.2g/cm³ |
3.8g/cm³ |
3.9g/cm³ |
| Flexural Strength |
>150Mpa |
>250Mpa |
>250Mpa |
4. Advantage
1. Good smooth and high strength.
2. Extreme hardness, good protection from abrasion and corrosion.
3. High temperature resistance up to 1800ºC
4. High dielectric properties.
5. Optimum air tightness
5. Photos for reference.
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