Cone Calorimeter


(ISO 5660 ASTM E 1354) The most comprehensive bench scale fire test


The Cone Calorimeter is the most significant bench scale instrument in the field of fire testing because it measures important real fire properties of the material being tested under a variety of preset conditions.These measurements can be used directly by researchers or they can be used as data for input into correlation or mathematical models used to predict fire development. Directly measured properties include:


 Rate of heat release  Time to ignition


 Critical ignition flux  Mass loss rates


 Smoke release rates


 Effective heat of combustion 


Rates of release of toxic gas (e.g. carbon oxides)


FTT Cone Calorimeter


The name “Cone Calorimeter” was derived from the shape of the truncated conical heater that Babrauskas used to irradiate the test specimen (100mm x 100mm) at fluxes up to 100 kW/m2


in the bench scale oxygen depletion calorimeter that he and his co-


workers developed at NIST. The FTT Cone Calorimeter has been produced to be the most compact and easily maintained unit in the marketplace. It fits into the smallest of labs and is easy to operate using the FTT user friendly,menu driven software, which guides users through the calibration, testing and reporting protocols.The apparatus meets all existing Standards (including ISO 5660,ASTM E 1354,ASTM E 1474,ASTM E 1740,ASTM F 1550,ASTM D 5485,ASTM D 6113,NFPA 264, CAN ULC 135 and BS 476 Part 15).


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