Properties of particleboard from Korean thinning logs

Korean thinning logs, which are Pinus rigida Miller, Pinus densiflora Sieb. et Zucc., Larix leptolepis Gordon, and Quercus acutissima Carruthers, were used as raw material for particleboard (PB). PBs were manufactured with synthesized urea-formaldehyde resin at 6 percent resin solids level, ovendry particle weight basis, and cured at 5 minutes hot-press time (162?C). The PBs were tested for physical strength and dimensional stability properties by ASTM D 1037 procedures. PB test results showed that physical strength and dimensional stability properties were significantly different by PB species type; however, the PB?s physical/mechanical properties indicated that Korean thinning logs are suitable raw materials for PB.

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