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Analytical and toxicological assessment of combustion products from cellular plastics: Comparison of ‘DIN tubular’ and ‘potts’ furnaces
Author(s) -
Bircher Brian J.,
Felstead David K.,
Cunningham Anthony
Publication year - 1980
Publication title -
fire and materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.482
H-Index - 58
eISSN - 1099-1018
pISSN - 0308-0501
DOI - 10.1002/fam.810040302
Subject(s) - combustion , combustion products , materials science , core (optical fiber) , nuclear engineering , composite material , environmental science , waste management , chemistry , engineering , organic chemistry
The internal temperature of rigid foam undergoing combustion in the DIN tubular traveling furnace using conditions previously employed for gas generation and analysis has been studied. Unexpected findings were obtained in that the material exhibited no insulating effect and temperatures within the core of the foam were up to 25% (+125°C at 500°C) greater than has been assumed or indeed aimed for. An explanation of the phenomenon has been put forward and proved by further experiment. Suggested practices to be adopted in the future to minimize the effect are described. Using these practices the gaseous combustion products from the materials studied at 500°C were found not to change in type or distribution; however, rather more accurate description of combustion temperature is achieved. With a static furnace of the ‘Potts Pot’ type a very much smaller temperature differential is observed, hence better definition of combustion temperature is allowed.