Particleboard production from Acacia mangium pruning wood
DOI:
https://doi.org/10.4336/2013.pfb.33.76.434Keywords:
Aglomerados convencionais, Desrama, Acacia mangium WilldAbstract
The objective of this study was to assess the quality of particleboard of Acacia mangium Willd pruning wood, in comparison with Pinus oocarpa and Eucalyptus grandis panels. The wood of A. mangium . was obtained in the southern region of . Piauí State, and the wood samples of P. oocarpa and E. grandis were obtained in Lavras, State of Minas Gerais. To produce the panels, it was used 8% of urea-formaldehyde adhesive and 1% of paraffin. The panels were pressed at 160 °C, pressure of 3.92 Mpa for 8 min. Considering the physical properties, the panels of wood pruning from A. mangium and from P. oocarpa showed the best results, especially from A. mangium that presented values of thickness swelling below those required by the standard CS 236-66. According to the same standard, only E. grandis panels showed results above requirements to the modulus of elasticity and all materials presented performance above the reference normalized for the modulus of rupture. To traction strain the panels produced with pruning wood of A. mangium and E. grandis, with higher values for this mechanical property.
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