... brown/black film , weight > 120--240g/sq.mCore:Poplar, hardwood, birch, combine core. Density:>600---700kg/cbm Glue:Wbp , ... :560--640kg/cbm Moisture<10%3. Block board Core:Pine, hardwood, poplar, etc.Face/backOkoume , bintangor , pine,etc. thickness> ... resistant, marine grade, sign grade, pressure treated, and of course the hardwood and softwood plywoods. Each of these products are designed to fill ...