+86 13705336167
+86 13705336167
Silicon nitride has better high temperature capabilities, excellent thermal shock. Resistance and extremely strong corrosion resistance than most materials. With these properties,the Si3N4 is very suitable as the material of thermocouple protection tube.
Introduce Of Si3N4 Thermocouple Protection Tube
Silicon nitride has better high temperature capabilities, excellent thermal shock. Resistance and extremely strong corrosion resistance than most materials. With these properties, the Si3N4 is very suitable as the material for thermocouple protection tubes.
The silicon nitride thermocouple protection tube made by us adopts gas pressure sintering(GPS) that can improve various performances of Si3N4.
Advantages Of Si3N4 Protection Tube
1. Excellent thermal conductivity
2. Excellent corrosion resistance
3. Excellent thermal shot resistance
4. High temperature resistance
5. Non-stick aluminum
The Data Sheet Of GPS Silicon Nitride Protection Tube
| Density | 3.20±0.04g/cm3 |
| Apparent porosity | ＜0.3% |
| Elastic modulus | 300-320GPa |
| Compression strength ratio | 35-45% (25℃) |
| Hardness(HRA) | 92-94Gpa |
| Fracture toughness | 7.0-9.0/Mpa.m½ |
| Bending strength | 800-1000MPa |
| Poisson’s ratio | 0.25 |
| Webuller modulus | 11-13 |
| Thermal conductivity | 22-24W.(m.k)-1 |
| Corrosion resistance | Good |
| Size stability | Good |
Application
To protect the thermocouples.
Packing
In plywood case with foam.
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