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Table 5 Toxic product yields the flaming combustion of a rigid polyurethane foam and polyisocyanurate foam (Stec & Hull 2011)

From: The fire toxicity of polyurethane foams

Material Furnace temperature (°C) ϕ CO Yield/mg g−1 HCN Yield/mg g−1
Rigid Polyurethane Foam 650 0.69 60 6
650 1.24 220 9
825 2.00 240 12
Polyisocyanurate Foam 650 0.75 80 7
650 1.34 220 10
825 1.97 225 17