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Official Journal of the Japan Wood Research Society

Evaluation of wood-based panel durability using bending properties after accelerated aging treatments

Abstract

The durability of wood-based panels was evaluated by comparing the bending properties of panels subjected to five accelerated aging treatments with the bending properties of panels that had experienced 5 years of outdoor exposure in Shizuoka City, Japan. In each accelerated aging treatment, methylene diphenyl diisocyanate-bonded panels showed higher bending retention than phenol formaldehyde (PF)-bonded panels. The bending retentions after six repeated cycles of the JIS-B, APA D-1, and ASTM treatments showed a correspondence of nearly one-to-one in the data for the three different treatments. The Shizuoka City 5-year outdoor exposure test data showed that the bending retentions of all panels decreased with time. In particular, the bending retentions of PF resin-bonded particleboard and oriented strandboard made from aspen were less than 30% and 10% of the original values, respectively, after the 5-year exposure period. The deterioration of the bending properties after the 5-year outdoor exposure in Shizuoka City was the same as that for six repetitions of the ASTM treatment.

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Correspondence to Yoichi Kojima.

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Kojima, Y., Suzuki, S. Evaluation of wood-based panel durability using bending properties after accelerated aging treatments. J Wood Sci 57, 126–133 (2011). https://doi.org/10.1007/s10086-010-1146-x

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  • DOI: https://doi.org/10.1007/s10086-010-1146-x

Key words

  • Wood-based panel
  • Bending properties
  • Durability performance
  • Accelerated aging treatments
  • Outdoor exposure