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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)

Ï•

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