Ceramic Protection Tube

Ceramic (Alumina) Protection Tube

Alumina Thermocouple protection tubes are available as a closed end tube with a reusable stainless steel coupling device. This device has 2 ways to use: the thermocouple protection tube can be hung by the flange or attached via the threaded end of the coupling device.



  • Materials: 95% alumina oxide, 99.5% alumina oxide
  • Color: white, pink, light yellow
  • Shape: one end closed
  • Application: Used for all kinds of electric heating equipment and electric equipment



  • High Temperature Up to 1800℃
  • High Voltage Resistance
  • High Mechanical Strength and Hardness
  • Excellent Insulation Performance
  • High Corrosion Resistance
  • Extreme Abrasion Resistance Performance
  • Wide Scope of Application
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