... birch 4.Tolerance:0.2MM High Quality Film faced plywood for concrete project, Black film faced plywood, Brown film faced ... leaking and rough surface during consruction process, particular suitable for watering concrete. Attention:1.Advantage:Non-distortion,High intension and ... cracking,Anti acid. etc2.Usage:It is wodely used for concrete shutter boards,outside door simple houses,outside table and ...