| abstract |
(57) Abstract: A fireproof panel excellent in appearance, strength, light weight and fire resistance is obtained by dispersing foamable pellets inside a resin foam. SOLUTION: In this fireproof panel, foamable pellets 4 are dispersed in a resin foam 1 mixed with an inorganic flame retardant, and metal face plates 2 and 3 are bonded to both surfaces of the resin foam 1. [Effect] When exposed to a high-temperature atmosphere, the foamable pellets foam and expand in volume, thereby suppressing the occurrence of large cracks in the carbonized core material due to heating during a fire or the like, and improving the fire resistance for a long time. Present. |