Carbolite CTF 17 & CTF 18 High Temperature Tube Furnaces

Code: CTF 17 & CTF 18
  • 1700°C & 1800°C
  • Single Zone
  • Discontinued

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This range is now obsolete replaced by HTRH furnaces

Standard features

  • CTF High-Temperature Horizontal Tube Furnaces 1700°C & 1800°C maximum operating temperature
  • Utilising molybdenum disilicide elements
  • Using work tubes with outer diameters of up to 90mm
  • 300mm or 600mm heated tube lengths
  • Horizontal configuration
  • 8 Segment programmable controller & separate over-temperature protection


  • Insulation plugs & radiation shields to prevent heat loss & improve uniformity
  • Gas injection & vacuum compatible work tube end, seal assemblies
  • Tube supports essential for use with high vacuum seals
  • 2 phase or 3 phase or power supply
  • 20 segment programmer
  • RS232 communications & graphical recorders
  • Alternative furnace sizes can be supplied upon request

Designed for high-temperature applications utilising high-temperature RCA (recrystallised alumina) work tubes. Vertical
elements heat a horizontal tube.

Requires but does not include an appropriate RCA (recrystallised alumina) accessory work tube 19.5mm to 90mm maximum outer

ModelMax temp °CMax Work Tube Ø mmHeated lengths mmUniform length ±5°C mmMax Power WWeight KgPower
Single Zone
CTF 17/3001700903002004125126Single
CTF 17/6001700906004006875220Single/2/3 Phase
CTF 18/3001800903002006000130Single
CTF 18/6001800906004009300230Single/2/3 Phase

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Additional information

Weight0.09 kg