Fig. 4From: Nail-head pull-through strength and lateral nail resistance strength of wood-based boards subjected to various climatic conditions in JapanRelationships between cycle and mean mass loss for phenol–formaldehyde resin-bonded particleboard (PB), oriented strand board (OSB) manufactured from aspen, and methylene diphenyl diisocyanate resin-bonded medium-density fiberboard (MDF). Error bars standard deviations. The specimens were immersed in water at 70 °C for 6 h followed by drying at 105 °C for 16 h (one cycle) and repeating the process for seven cyclesBack to article page