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Fire Toxicity Scaling
The toxicity of the thermal decomposition products from two flexible polyurethane foams (with and without a fire retardant) and a cotton upholstery fabric was evaluated by a series of small-scale and large-scale tests single mock-up upholstery chair tests during smoldering or flaming decomposition. In addition other fire property data such as rates of heat release, effective heats of combustion, specific gas species yields, and smoke obscuration were measured. The degree of toxicity observed during and following the flaming tests (both large-scale room burns and the NBS Toxicity Tests) could be explained by a 3-Gas Model which includes the combined toxicological effects of CO, CO2, and HCN. Essentially no animal deaths were noted during the thirty minute exposures to the non-flaming or smoldering combustion products produced in the NBS Toxicity Test Method or the large-scale room test. In the large-scale room tests, little toxicological difference was noted between decomposition products from the burn room and a second room 12 meters away.
Fire Toxicity Scaling
The toxicity of the thermal decomposition products from two flexible polyurethane foams (with and without a fire retardant) and a cotton upholstery fabric was evaluated by a series of small-scale and large-scale tests single mock-up upholstery chair tests during smoldering or flaming decomposition. In addition other fire property data such as rates of heat release, effective heats of combustion, specific gas species yields, and smoke obscuration were measured. The degree of toxicity observed during and following the flaming tests (both large-scale room burns and the NBS Toxicity Tests) could be explained by a 3-Gas Model which includes the combined toxicological effects of CO, CO2, and HCN. Essentially no animal deaths were noted during the thirty minute exposures to the non-flaming or smoldering combustion products produced in the NBS Toxicity Test Method or the large-scale room test. In the large-scale room tests, little toxicological difference was noted between decomposition products from the burn room and a second room 12 meters away.
Fire Toxicity Scaling
E. Braun (author) / B. C. Levin (author) / M. Paabo (author) / J. Gurman (author) / T. Holt (author)
1987
198 pages
Report
No indication
English
Industrial Safety Engineering , Toxicology , Building Industry Technology , Fire tests , Toxicity , Combustion products , Polyurethane resins , Foams , Upholstery , Cotton fabrics , Concentration(Composition) , Carbon dioxide , Carbon monoxide , Hydrogen cyanide , Toxic substances , NBS Toxicity Test Method
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