... fully three-dimensional grid structure. 2."sound insulation,acoustic abso The Melamine acoustical foam is also called melamine foam ... theater, gymnasium, industry assemble line, shooting land, ceiling, corridor acoustic ceilings, corridor acoustic ceilings, an indoor soft-bag wall, office partitions, ... max : 2500*700*200mmShapeCustomized, any shapePackingCustomizedDensity8.5kg/cbm Acoustic Foam Panel