Abstract
A comprehensive characterization of the heat release rate and burning behaviour of foam and foam/Basofil fabric combination has been carried out at different levels of heat flux varying from 10 to 70 kW/m 2 using cone calorimetry. Peak heat release rate (PHRR) was found to increase for foam and foam/fabric combination with the increase in the level of heat flux. However, considerable reduction in PHRR was noted for foam/fabric combination vis-à-vis that of foam alone. Foam/fabric combination was found to exhibit two-step decomposition behaviour at heat flux levels of 40 kW/m 2 and above due to the cracking of the char formed from the cover fabric. Flashover potential of the foam was considerably reduced by the fabric covering the foam. Carbon dioxide and carbon monoxide yields were found to be lower for foam/fabric combination. Smoke toxicity, as indicated by the index of combustion completeness, was found to be lower for the foam/fabric combination.
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