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Bottom Loading Furnaces High Temperature

Bottom Loading Furnaces High Temperature

Carbolite | Sample Preparation - Inorganic

BLF bottom loading furnaces use an electrically operated elevator hearth which rises into the furnace chamber carrying the load.

This furnace provides the following advantages: easy loading of samples and uniform heating achieved by locating elements in all six side walls of the chamber.

Key Features:

  • 1700°C & 1800°C maximum operating temperature
  • 3 to 21 litre capacities
  • Ideal for: sintering high performance ceramics, melting glass under high temperature or working with modified atmospheres
  • Rapid heating & cooling cycles can be achieved through raising & lowering the hearth
  • Electrically operated elevator hearth protects operator from the chamber's radiant heat
  • Excellent temperature uniformity as a result of the hexagonal chamber
  • Overtemperature protection to protect load or furnace during unattended operation
  • Programmable 3216P1 controller
  • Molybdenum disilicide heating elements


  • Compatible crucibles
  • Modified hearth for the introduction of gases into an inverted crucible (not gas tight)
  • Radiation shutter
  • Hearth cage
  • A range of sophisticated digital controllers, multi-segment programmers and data loggers is available. These can be fitted with RS232, RS485 or Ethernet communications
  • Customised options including: adaptation to introduce thermocouple or stirrer through the chamber roof and rotating hearth

More Information

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