... faced plywoodGrade: A, AA, AAAGlue: MR, Melamine WBP, Phenolic WBPUsage: Construction, Concrete FormworkDensity: 530kgs ( Poplar ), 630kgs ( Hardwood ),birch core.Moisture Content ... to concrete is set up very easily, so good for construction work. (There is no need for any transference preparation. )2. After ... WBP glue,polar core, brown/black film faced plywood for construction