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Table 10 LC50 values for well-ventilated flaming combustion (Neviaser & Gann 2004)

From: The fire toxicity of polyurethane foams

Material Reference Material-LC50(30 min + 14 day post)/g m−3
Flexible Polyurethane Foam
 NFR FPU #12 Levin et al 1983a 40.0
 FR FPU #11 Levin et al 1983a 40.0
 No details provided Babrauskas et al 1991b 52.0
 Melamine type foam Babrauskas et al 1991b 12.5
 Melamine type foam with vinyl fabric Babrauskas et al 1991b 26.0
 FR FPU #14 Levin et al 1983a 27.8
 FR foam- 22.3 kg m−3 Braun et al 1990 26.0
 FR GM-23 Farrar et al 1979 34.5
 FR GM-27 Farrar et al 1979 33.1
 NFR FPU #13 Levin et al 1986 40.0
 NFR foam 22.3 kg/m−3 Braun et al 1990 40.0
 NFR GM-21 Levin et al 1983b 38.0
 NFR GM-21 Levin et al 1983b 49.5
 NFR GM-21 Levin et al 1983b 40.0
 NFR GM-21 Farrar et al 1979 43.2
 NFR GM-25 Farrar et al 1979 37.5
 NFR Foam Farrar & Galster 1980 43.2
 NFR Upholstered Chairs with FPUR, cover fabric and steel frame. Foam density: 25 kg m−3 Barbrauskas et al. 1988 35.0
Rigid Polyurethane Foam
 NFR Foam, 25 mm thick, 96 kg m−3 Babrauskas et al 1991a 11.0
 FR GM-31 Farrar et al 1979 14.2
 No details provided Babrauskas et al 1991b 22.0
 NFR GM-30 Levin et al 1983b 38.4
 NFR GM-30 Levin et al 1983b 13.3
 NFR GM-30 Levin et al 1983b 11.3
 NFR isocyanurate, GM-41 Farrar et al 1979 11.4
 NFR isocyanurate, GM-43 Farrar et al 1979 5.8
 NFR GM-29 Farrar et al 1979 11.2
 NFR GM-35 Farrar et al 1979 12.1
 NFR GM-37 Farrar et al 1979 10.9
 NFR GM-39, sprayed Farrar et al 1979 16.6