THERMOCOUPLE PROTECTION Si3N4 TUBE

Silicon nitride ceramics possess excellent properties of high thermal stability,antioxidant capacity and good dimensional precision of products.This is essential to detect even tiny temperature differences ...

Silicon nitride ceramics possess excellent properties of high thermal stability,antioxidant capacity and good dimensional precision of products.This is essential to detect even tiny temperature differences and permit an effective automatic control loop.Silicon nitride is especially suitable for thermocouple protection tube measuring temperature of molten aluminum for its anti-fusion.In order to guarantee tube’s quality,we used the excellent raw material and adopt strict total quality management and advanced techniques.

 

 

Applications
Silicon nitride protective tube is widely used for non ferrous metal casting.Especially for measuring the temperature of liquid aluminum

 

CompositionSi3N4 99%
Volume Density3.15g/cm3
Hardness88HRA
Modulus of Elasticity380Gpa
Bending Strength480Mpa
High Service Temperature1750°C
Thermal Expansion Coefficient2.8 x 10-6/°C
Thermal Conductivity40~120 W/m.k
Open Porosity0