Browse Publications Technical Papers 2002-01-3091

Flammability Testing of Automotive Heating Ventilation and Air Conditioning Modules Made from Polymers Containing Flame Retardant Chemicals 2002-01-3091

Flammability tests were conducted on one control HVAC module and two experimental automotive HVAC modules containing flame retardant chemicals. The HVAC modules were exposed to a heptane pool fire. All three HVAC modules burned under these conditions. The mass loss rates of the control and experimental HVAC modules were similar. The flame retardant chemicals caused a 50% reduction in the heat produced, a 751 - 897% increase in the carbon monoxide produced, a 4,867 - 5,567% increase in the gaseous hydrocarbon produced, and a 3,875 - 4,725% increase in the smoke produced when the HVAC modules burned under these conditions. These quantitative results are consistent with visual observations made during these tests that the experimental HVAC modules produced substantially more smoke than the control HVAC module.


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