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Posted on 08/11/2018
Fires in office chairs in different contexts

Also at ESFSS (above), Jaeyoung Lee, Tokyo University, et al., compared fire development in lobby chairs in compartment vs. open office space. Chairs weighed nearly 11 kg, and were constructed of steel, wood and polyurethane foam (PUR) with PVC covering. In the compartmentalised space (2.2 x 3.5 m room), fire spread from one chain to another was through thermal radiation and a temperature of 1000°C was reached with three chairs in less than 10 minutes. In the open setting, fire spread was by contact between chairs, temperature development was irregular (chair by chair) and a maximum temperature of 600°C was reached after around 15 minutes.

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