abstract |
[Problem] To obtain a foam excellent in recyclability (environment compatibility), thermal stability, heat insulation, and flame retardancy while using a foaming agent having relatively low environmental problems. A styrene resin foam obtained by extrusion foaming a styrene resin, comprising a foaming agent and hexabromobenzene and / or pentabromotoluene as a halogen flame retardant. Resin foam. [Selection figure] None |