▎ 摘　　要

NOVELTY - The utility model claims a soundproof and flame retardant board, from up to down orderly comprising melamine foam layer, inflaming retarding silica gel layer, the electromagnetic shielding layer and the electromagnetic shielding layer comprises a graphene composite layers, each layer between the WBP flame-retardant waterproof glue bonding together, outer surface of the melamine foam layer is uniformly distributed with several sound-absorbing holes. A sound insulation fire resistant board This utility model claims, have the capability of sound insulation, inflaming retarding, waterproof and insulating, electromagnetic shielding, and firm structure, light material, suitable for being used in building, ship and vehicle interior decoration.