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Development of structural composite products made from bamboo I: fundamental properties of bamboo zephyr board

Abstract

A study was conducted to determine the suitability of zephyr strand from moso bamboo (Pyllostachys pubescens Mazel) for structural composite board manufacture. Thirty-two 1.8×40×40cm bamboo zephyr boards (BZB) were produced using four diameters of zephyr strand (9.5, 4.7, 2.8, and 1.5mm) and four target densities (0.6, 0.7, 0.8, and 0.9g/cm3). Results indicate that BZB exhibits superior strength properties compared to the commercial products. The size of the zephyr strand and the level of target density had a significant effect on the moduli of elasticity and rupture, internal bond strength, water absorption, and thickness swelling, but they did not have a significant effect on linear expansion. With regard to the physical properties, BZB exhibited less thickness swelling and exhibited good dimensional stability under dry-wet conditioning cycles.

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Correspondence to Naresworo Nugroho.

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Nugroho, N., Ando, N. Development of structural composite products made from bamboo I: fundamental properties of bamboo zephyr board. J Wood Sci 46, 68–74 (2000). https://doi.org/10.1007/BF00779556

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Key words

  • Bamboo zephyr board
  • E-MDI resin
  • Strength properties
  • Dimensional stability