Paper honeycomb is an excellent core or filling for all types of interior doors by virtue of their high pressure strength. They are an ideal substitute to traditional solid fillings, chipboard strips or tube boards.Paper honeycomb offers unmatched glue bonding with UF, PVAor PUR Hot Meltwhen used between hardboard, M DF, Steel and Melamine facing plates.Paper honeycomb is also used as a low-cost core or filling material in doors of buses, trains, elevators and as in-room or spatial partitions.