... absorbers:2.Curtain walls, ceilings, partitions in Aluminum honeycomb panel;3.Inner partitions, floorings and external shells in Car, Ship, Boat ... , A5052Foil thickness: 0.04, 0.05, 0.06, 0.07, 0.08, 0.1, 0.2mm Cell side length: 1.0, 1 ... .5, 2, 2.5, 3, 4, 5, 6, 7, 8, 9 ...