... board (forex board,advertising ps foam board) 1.Thickness:2mm-20mm 2.Size:920mm*2440mm,1220mm*2440mm kt board (forex board,advertising ps foam board)Paper Board ... is an extruded polystyrene foam center board with clay coated ... ,signs,shopwindow displays,pop-up displays,exhibition board,picture frame backing,POP advertizing screen-printing ...