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Effect of Hot-Pressing Time and Temperature on Properties of Bamboo Zephyr Boards  

Jung, Ki-Ho (Wood Science and Technology, College of Agriculture, Kyungpook National University)
Kim, Yu-Jung (Wood Science and Technology, College of Agriculture, Kyungpook National University)
Roh, Jeang-Kwan (Chinju National University)
Park, Sang-Jin (Wood Science and Technology, College of Agriculture, Kyungpook National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.31, no.2, 2003 , pp. 77-83 More about this Journal
Abstract
In this research, in order to investigate the effect of hot-pressing condition, properties of bamboo zephyr boards (target density 0.7 g/cm3, 400×400×12 mm) produced by different hot-pressing time and temperature were compared through Korean Standard(KS) F 3104 and F 3113, and the results were summarized as follows: All of the boards had comparatively high values in bending properties (MOR, MOE) irrespective of hot-pressing condition, and the boards hot-pressed by 160℃ and 12 min showed the highest strength in parallel direction of board-surface to span. Internal bond (IB) strength of the boards generally increased with the increase of hot pressing temperature. Boards produced by hot pressing temperature and time of 160℃ and 12 min and 180℃ and 10 min exhibited relatively higher wet-bending strength. Thickness swelling (TS) of all the boards showed good dimensional stability of 6% or less.
Keywords
bamboo zephyr board; hot-pressing time; hot-pressing temperature; bending properties (MOR, MOE); Internal bond (IB) strength; wet-bending strength; thickness swelling (TS);
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