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Silicon Nitride Thermocouple Protection Sheath For Thermocouples

The silicon nitride thermocouple protection sheath made by us adopts gas pressure sintering(GPS) that can improve various performance of Si3N4 protection tube.

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Introduce

Silicon nitride has better high-temperature capabilities, excellent thermal shock resistance, and extremely strong corrosion resistance than most materials. With these properties, silicon nitride is very suitable as the material of the thermocouple protection sheath.

Advantages Of Thermocouple Protection Sheath

1. Excellent thermal conductivity

2. Excellent corrosion resistance

3. Excellent thermal shot resistance

4. High temperature resistance

5. Non-stick aluminum

Data Sheet Of Silicon Nitride

Density	3.20±0.04g/cm3
Apparent porosity	＜0.3%
Elastic modulus	300-320GPa
Compression strength ratio	35-45% (25C)
Hardness(HRA)	92-94Gpa
Fracture toughness	7 0-9 0/Mpa m½
Bending strength	800- 1000MPa
Poisson’s ratio	0.25
Webuller modulus	1 1- 13
Thermal conductivity	22-24W.(m.k)- 1
Corrosion resistance	Good
Size stability	Good
Magnetic	No