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Product Name:Si3N4 Thermocouple Protection Tube Using In Molten Metals
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

Silicon nitride ceramic is an excellent high-temperature engineering material. It has the characteristics of wear resistance, corrosion resistance, high temperature resistance, oxidation resistance, thermal shock resistance, good insulation, and high thermal conductivity. As a new material with the best comprehensive performance, silicon nitride ceramic is widely used in coal chemical industry, new energy, non-ferrous metal casting, metal smelting, aerospace and other fields.


Silicon nitride thermocouple protection tube

Using pure silicon nitride thermocouple protection tubes, the temperature transmission and induction are more rapid and accurate with its high strength and thin thicknessWith excellent oxidation resistance and corrosion resistance, the service life of silicon nitride thermocouple protection tube is more than 5-8 times that of NSIC tubes.At the same time, silicon nitride is not infiltrated with the non-ferrous metal melt and it is not easy to form slags and is easier to maintain.


Tech data of GPS silicon nitride products

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



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