... 3) for concrete construction uses, with smooth surfac Plywood at size 4ft*8ft(1220*2440mm) E2 GradeOkoume Face ... & Back, Mahogany Face & Back, Poplar Core Multi-plywood. Thickness: 1.7mm,1.8mm,2.0mm,2.3mm, ... life of concrete6) Environmental friendly, lowest formaldehyde.. okoume,birch,bintangor,pine,red hardwood,pencil cedar,meranti... ... 1250*2500mm,glue:MR,E2,E1,melamine,WBP,grade:BB/BB,BB/CC,CC/DD,DD/ ...