Quote:
Originally Posted by Catfish
How can burning office furniture produce temperatures of 2000 degrees Celsius ? 
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You might be surprised.
First, polyurethane foam (furniture cushions that you sit on every day) burns at well above 1000 degrees.
http://www.areyousittingcomfortably.eu/killer-foam
Second, many other materials burn as hot or hotter.
http://www.tcforensic.com.au/docs/article10.html
Third, steel doesn't have to melt to become structurally unsound.
http://education.jlab.org/qa/meltingpoint_01.html