Mass Loss Cone Test

Mass Loss Cone Test

The FTT Mass Loss Cone (MLC) is used to determine mass loss rate and ignitability at any heat flux condition defined within the cone calorimeter fire model of ISO 5660 or ASTM E1354. The instrument is a complete assembly which is also suitable to replace the cone heater/load cell assembly inside a cone calorimeter. The MLC, as a stand-alone instrument, serves as a quality control tool.

The instrument is supplied as a two part component system: the cone heater assembly (with conical heater, shutter mechanism, spark igniter, load cell) and the control unit. It can also be provided as an enclosed system, to measure combustion products and toxicity yields or to use under low oxygen conditions.

Heat release rate instruments, like the cone calorimeter, can be used to determine effective heat of combustion, as a ratio of heat release rate and mass loss rate. Thus, if the effective heat of combustion is known, mass loss rate data can be used to calculate approximate values of heat release rate. The MLC is, thus, an inexpensive way of assessing fire properties of materials. The instrument itself can later easily be upgraded to a cone calorimeter.


  • The cone assembly, manufactured from stainless steel, comprises:
    • Conical Heater, rated at 230 V, with a variable heat flux of 10-100 kW/m2
    • Three Control Thermocouples
    • Heat Shutter Mechanism, to allow easy loading of samples
    • Load Cell, with sample capacity of 500 g
    • Adjustable specimen mounting for horizontal samples up to 50 mm thick
    • Spark Igniter
    • Heat Flux Meter and Housing, to fix position of the meter accurately 25 mm below base of cone.
  • Control unit, comprises:
    • Temperature Controller, with digital readout
    • Switches for power, ignition, heat shutter and conical heater
    • Load Cell Controller, with digital readout


  • Optional column with thermopile for heat release: either per ASTM E2102 or per ISO 13927
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