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SiC Thermocouple Protection Tube

                                                               SiC Protective Sleeve for Thermocouple

 
  About SiC Protection Sleeve for Thermocouple

 Made of our own SiC raw material, also called thermocouple protective sheath. it is used to help to protect thermocouple.

  Application:
mainly used in zinc, aluminum, copper etc. smelting and casting   

 


  Features: 

   1. Thermocouple protection tube, also called thermocouple protective sheath, is made of nitride bonded silicon carbide (Si3N4-SiC) material. It is used in molten metal industry, helping to protect thermocouple.
   2.With properties of fast conduction and thin wall, it helps to achieve rapid and accurate temperature reading. The material is good at corrosion resistance, not contaminating metal liquid. 
   3. It is featured with little heat expansion, good thermal shock resistence, good lifetime, not leaving dreg.


  Parameter: 

Item Result Item Result
density(g/cm3) 2.72-2.8 SiC(%) 73-75
apparent porosity(%) 11-13 Si3N4(%) 22-24
normal temperature rupture(MPa) 40-55 SiO2(%) 1-3
high temperature rupture(MPa) 50-65 Si(%) <0.5
heat conductivity(w/m.k)(1100°C) 16-18 the highest working temperature(°C) 1600
heat expansion (x10-6) 4.2 the highest working temperature(°C) 1600

  Advantages: 
 
1. It exhibits thin wall, fast conduction, rapid and accurate temperature reading.
2. It is good at corrosion resistance, no contamination to metal liquid.
3. It is featured with little heat expansion, good thermal shock resistance, no dreg or crack.

 
  High Quality of Raw Material: 

Smelted with pure petroleum coke, Hongyuan make SiC raw material by ourselves. We are the only one in China having complete SiC products chain: 

SiC crystal smelting- SiC grains- SiC ceramic products 



  Advanced Equipments for Firing:

The automatic nitriding furnace in the largest volume, controlled by microcomputer, were honored the First Prize of China Machinery Industry Science and Technology Award for the residual-heat utilization system, meanwhile this nitriding furnace gaining state's utility patent.




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