3-ply shuttering panel three plywood construction boards material: Chinese fir or other wood etc.. Size (mm): 1000*500, 2000*500, 1970*500, 1000*400 or as request Thickness(mm): 21 or 27 Tolerance _disibledevent=13% SURFACE Protection by melamin resin (does not glue to concrete) Edges are protected by acrylic facade paint