From: The fire toxicity of polyurethane foams
Bond (see Figs. 2 and 3 for structure)
Decomposition temperature range/°C
Allophanate
100–125
Biuret
115–125
Urea
160–200
Urethane
180–200
Substituted Urea
235–250
Carbodiimide
250–280
Isocyanurate
270–300