abstract |
A flame-retardant urethane resin composition is a flame-retardant urethane resin composition containing a polyisocyanate compound, a polyol compound, a trimerization catalyst, a foaming agent and an additive, wherein the additive contains a filler and a filler, the filler has an aspect ratio of 5 to 50, 0.1 占 퐉 or more and less than 15 占 퐉, and a melting point of 750 占 폚 or more. |